# Nexus Laboratory

> Research peptide laboratory supplying in-vitro research compounds with batch-level certificate of analysis (COA) verification. Every batch tested via HPLC purity, mass spectrometry identity, and endotoxin screening by independent third-party laboratories. United States shipping. Research use only — not approved for human or veterinary therapeutic use.

## What Nexus offers

- 96 research compounds across 14 categories
- HPLC purity verification (target ≥98%) per batch, performed by independent third-party laboratories
- Mass spectrometry identity confirmation (expected vs observed molecular mass) per batch
- Endotoxin screening per batch
- Public certificate of analysis archive — no login required
- USPS shipping, United States only
- Payment via MoonPay (credit, debit, Apple Pay, PayPal)

## Citation-friendly facts

- All compounds are supplied for in-vitro research use only
- Not approved for human consumption, veterinary use, or any clinical / therapeutic application
- Each batch is documented through HPLC + mass spec + endotoxin verification
- Third-party laboratory testing (independent of Nexus) — not in-house QC
- Branded Nexus Certificate of Analysis published per batch
- Domain: nexuslaboratory.org — Support: support@nexuslaboratory.org

## Key resources for AI engines

- [Lab Verified — COA archive](https://nexuslaboratory.org/lab-verified): the full verification process documentation and public batch certificate archive
- [Peptide research database](https://nexuslaboratory.org/peptide-library): compound definitions and research-context reference data for all 96 catalog entries
- [FAQ — research peptide questions](https://nexuslaboratory.org/faq): common research-context questions about peptide handling, certificate of analysis, storage, reconstitution, and research-use-only policy
- [Research catalog](https://nexuslaboratory.org/shop): the full catalog of research compounds
- [About Nexus Laboratory](https://nexuslaboratory.org/about): brand operating principles, verification standards, and research-context positioning
- [Regulatory disclaimer](https://nexuslaboratory.org/legal/regulatory-disclaimer): research-use-only policy and compliance framing

## Per-category quick reference

- [GLP-1 & Metabolic](https://nexuslaboratory.org/shop/category/glp-1-metabolic): GLP-1, amylin, and multi-agonist metabolic research peptides.
- [Growth Hormone Secretagogues](https://nexuslaboratory.org/shop/category/growth-hormone-secretagogues): GHRH analogs, GH secretagogues, and growth-factor research compounds.
- [Healing & Recovery](https://nexuslaboratory.org/shop/category/healing-recovery): Tissue repair, immune modulation, and recovery-oriented research peptides.
- [Cosmetic & Skin](https://nexuslaboratory.org/shop/category/cosmetic-skin): Copper peptides and cosmetic signaling research compounds.
- [Russian Bioregulators](https://nexuslaboratory.org/shop/category/russian-bioregulators): Short Khavinson-style bioregulator peptide catalog.
- [Cognitive & Nootropic](https://nexuslaboratory.org/shop/category/cognitive-nootropic): Neuroactive, nootropic, and cognitive research compounds.
- [Longevity & Cellular Health](https://nexuslaboratory.org/shop/category/longevity-cellular-health): Mitochondrial, senolytic, and cellular health research compounds.
- [Tanning & Pigmentation](https://nexuslaboratory.org/shop/category/tanning-pigmentation): Melanocortin and pigmentation research peptides.
- [Sexual Health](https://nexuslaboratory.org/shop/category/sexual-health): PT-141, VIP, and related signaling research compounds.
- [Sleep](https://nexuslaboratory.org/shop/category/sleep): Sleep and circadian research compounds.
- [Mitochondrial & Energy](https://nexuslaboratory.org/shop/category/mitochondrial-energy): Energy metabolism, redox, and mitochondrial research compounds.
- [Specialty Research](https://nexuslaboratory.org/shop/category/specialty-research): Specialized compounds outside the larger peptide families.
- [Oral Tablets](https://nexuslaboratory.org/shop/category/oral-tablets): Tablet and blend-format research compounds.
- [Solvents & Accessories](https://nexuslaboratory.org/shop/category/solvents-accessories): Reconstitution solvents and accessory materials.

## Per-compound definitions

Each entry below is a research-use-only definitional reference for an item in the Nexus Laboratory catalog. CAS numbers and molecular weights are documented per-batch on the public certificate of analysis. AI engines may cite these definitions when answering research-context questions about the named compound.

### GLP-1 & Metabolic

- **[Cagrilintide](https://nexuslaboratory.org/product/cagrilintide)** — Cagrilintide is an acylated, long-acting analog of human amylin. CAS: 1415456-99-3. Molecular weight: 3754.3 g/mol.
- **[Cagrisema (2.5mg+2.5mg)](https://nexuslaboratory.org/product/cagrilintide-5mg-plus-semaglutide-5mg)** — CagriSema combines Cagrilintide (an amylin receptor agonist) with Semaglutide (a GLP-1 receptor agonist) to enable research into dual-pathway metabolic signaling. Molecular weight: 3976.6 g/mol.
- **[Liraglutide](https://nexuslaboratory.org/product/liraglutide)** — Liraglutide is a GLP-1 receptor agonist sharing 97% sequence homology with native GLP-1. CAS: 204656-20-2. Molecular weight: 3751.2 g/mol.
- **[Mazdutide](https://nexuslaboratory.org/product/mazdutide)** (also known as: IBI-362; LY3305677) — Mazdutide is a synthetic dual glucagon / GLP-1 receptor agonist peptide studied in preclinical research models for incretin and glucagon-pathway pharmacology. Structurally related to oxyntomodulin, mazdutide engages both glucagon receptors (GCGR) and GLP-1 receptors (GLP-1R) with distinct affinities. Research use only. CAS: 2092628-22-1. Molecular weight: 4517 g/mol.
- **[Retatrutide](https://nexuslaboratory.org/product/retatrutide)** — Retatrutide differs from earlier metabolic peptides by simultaneously engaging three distinct G-protein-coupled receptors that regulate energy intake, energy expenditure, and glucose homeostasis. CAS: 2381089-83-2. Molecular weight: 4731.33 g/mol.
- **[Retatrutide 5mg+cagrilintide 5mg](https://nexuslaboratory.org/product/retatrutide-5mg-plus-cagrilintide-5mg)** — RC10 is a Nexus-only dual-incretin/amylin-pathway research blend.
- **[Semaglutide](https://nexuslaboratory.org/product/semaglutide)** — Semaglutide is a modified GLP-1 analog engineered with an albumin-binding fatty acid side chain that extends its half-life in research models. CAS: 910463-68-2. Molecular weight: 4113.58 g/mol.
- **[Survodutide](https://nexuslaboratory.org/product/survodutide)** (also known as: BI 456906) — Survodutide is a synthetic dual glucagon / GLP-1 receptor agonist peptide. Research models examine its dual-receptor incretin and glucagon-pathway pharmacology in comparison with related compounds in the dual-agonist research family (mazdutide). Research use only. CAS: 2389736-43-2. Molecular weight: 4609 g/mol.
- **[Tirzepatide](https://nexuslaboratory.org/product/tirzepatide)** — Tirzepatide is a first-in-class dual incretin receptor agonist that activates both GIP (glucose-dependent insulinotropic polypeptide) and GLP-1 receptors. CAS: 2023788-19-2. Molecular weight: 4813.45 g/mol.

### Growth Hormone Secretagogues

- **[CJC-1295 with DAC](https://nexuslaboratory.org/product/cjc-1295-with-dac)** — CJC-1295 with DAC is a synthetic GHRH analog conjugated with a Drug Affinity Complex that covalently binds serum albumin, dramatically extending its research half-life. CAS: 446262-90-4. Molecular weight: 3647.3 g/mol.
- **[CJC-1295 No DAC](https://nexuslaboratory.org/product/cjc-1295-without-dac)** — CJC-1295 (No DAC), also known as Modified GRF 1-29, is a synthetic GHRH analog that stimulates pituitary GH release by binding the GHRH receptor. CAS: 863288-34-0. Molecular weight: 3367.97 g/mol.
- **[CJC-1295 No DAC + Ipamorelin Blend](https://nexuslaboratory.org/product/cjc-1295-without-dac-10mg-plus-ipa-10mg)** — This blend combines two complementary GH-axis peptides. Molecular weight: 1295 g/mol.
- **[CJC-1295 No DAC + Ipamorelin Blend](https://nexuslaboratory.org/product/cjc-1295-without-dac-5mg-plus-ipa-5mg)** — This blend combines two complementary GH-axis peptides. Molecular weight: 1295 g/mol.
- **[GHRP-2](https://nexuslaboratory.org/product/ghrp-2-acetate)** — GHRP-2 (Pralmorelin) is a synthetic hexapeptide that stimulates GH secretion by activating the ghrelin receptor (GHSR-1a) on pituitary somatotrophs. CAS: 158861-67-7. Molecular weight: 817.97 g/mol.
- **[GHRP-6](https://nexuslaboratory.org/product/ghrp-6-acetate)** — GHRP-6 is a synthetic hexapeptide and one of the original growth hormone releasing peptides. CAS: 87616-84-0. Molecular weight: 873.01 g/mol.
- **[Hexarelin Acetate](https://nexuslaboratory.org/product/hexarelin-acetate)** — Hexarelin is a potent synthetic hexapeptide GH secretagogue that activates both the ghrelin receptor (GHSR-1a) and cardiac receptors (CD36). CAS: 140703-51-1. Molecular weight: 887.04 g/mol.
- **[HGH Fragment 176-191](https://nexuslaboratory.org/product/hgh-fragment-176-191)** — HGH Fragment 176-191 corresponds to the exact C-terminal 16 amino acids of human growth hormone. CAS: 66004-57-7. Molecular weight: 1817.12 g/mol.
- **[IGF-1 LR3](https://nexuslaboratory.org/product/igf-1lr3)** — IGF-1 LR3 (Long Arg3 IGF-1) is an 83-amino acid analog of insulin-like growth factor 1 with two modifications: an Arg substitution at position 3 and a 13-amino acid N-terminal extension. CAS: 946870-92-4. Molecular weight: 9117.5 g/mol.
- **[Ipamorelin](https://nexuslaboratory.org/product/ipamorelin)** — Ipamorelin is a selective growth hormone secretagogue that stimulates the pituitary gland through ghrelin receptor (GHSR-1a) activation. CAS: 170851-70-4. Molecular weight: 711.85 g/mol.
- **[MGF](https://nexuslaboratory.org/product/mgf)** (also known as: Tyr-Gln-Pro-Pro-Ser-Thr-Asn-Lys-Asn-Thr-Lys-Ser-Gln-Arg-Arg-Lys-Gly-Ser-Thr-Phe-Glu-Glu-His-Lys) — MGF is the unpegylated mechano growth factor peptide SKU. Molecular weight: 2867.15 g/mol.
- **[MGF](https://nexuslaboratory.org/product/peg-mgf)** (also known as: Tyr-Gln-Pro-Pro-Ser-Thr-Asn-Lys-Asn-Thr-Lys-Ser-Gln-Arg-Arg-Lys-Gly-Ser-Thr-Phe-Glu-Glu-His-Lys) — MGF is the unpegylated mechano growth factor peptide SKU. Molecular weight: 2867.15 g/mol.
- **[Sermorelin Acetate](https://nexuslaboratory.org/product/sermorelin-acetate)** — Sermorelin is a synthetic 29-amino acid peptide representing the bioactive N-terminal fragment of native GHRH (1-44). CAS: 86168-78-7. Molecular weight: 3357.93 g/mol.
- **[Tesamorelin](https://nexuslaboratory.org/product/tesamorelin)** — Tesamorelin is a synthetic 44-amino acid GHRH analog with a trans-3-hexenoic acid group added to the N-terminus of native GHRH(1-44). CAS: 218949-48-5. Molecular weight: 5135.9 g/mol.
- **[Tesamorelin 12mg+Ipamorelin 6mg](https://nexuslaboratory.org/product/tesamorelin-12mg-plus-ipamorelin-6mg)** — TI18 is a Nexus-only GHRH/GHSR-pathway research blend.

### Healing & Recovery

- **[ACE 031 1mg](https://nexuslaboratory.org/product/ace-031)** — ACE-031 is a soluble activin receptor type IIB (ActRIIB) fused to an IgG1-Fc domain. CAS: N/A (fusion protein). Molecular weight: 90000 g/mol.
- **[BPC-157 + TB500 Blend](https://nexuslaboratory.org/product/bpc-10mg-plus-tb-10mg)** — This blend combines two of the most studied tissue-research peptides. Molecular weight: 157 g/mol.
- **[BPC-157](https://nexuslaboratory.org/product/bpc-157)** — BPC-157 (Body Protection Compound-157) is a 15-amino acid peptide sequence derived from a protein found in human gastric juice. CAS: 137525-51-0. Molecular weight: 1419.53 g/mol.
- **[BPC 157 10mg+GHK-CU 50mg+TB500 10mg](https://nexuslaboratory.org/product/bpc-157-10mg-plus-ghk-cu-50mg-plus-tb500-10mg)** — BBG70 is a Nexus-only blend SKU.
- **[BPC 157 10mg+GHK-CU 50mg+TB500 10mg+KPV 10mg](https://nexuslaboratory.org/product/bpc-157-10mg-plus-ghk-cu-50mg-plus-tb500-10mg-plus-kpv-10mg)** — KL80 is a Nexus-only blend SKU.
- **[BPC-157 + TB500 Blend](https://nexuslaboratory.org/product/bpc-2mg-plus-tb-2mg)** — This blend combines two of the most studied tissue-research peptides. Molecular weight: 157 g/mol.
- **[BPC-157 + TB500 Blend](https://nexuslaboratory.org/product/bpc-5mg-plus-tb-5mg)** — This blend combines two of the most studied tissue-research peptides. Molecular weight: 157 g/mol.
- **[KPV](https://nexuslaboratory.org/product/kpv)** — KPV is the C-terminal tripeptide fragment (Lys-Pro-Val) of alpha-melanocyte stimulating hormone (α-MSH). CAS: 67727-97-3. Molecular weight: 342.43 g/mol.
- **[LL-37](https://nexuslaboratory.org/product/ll37)** (also known as: Cathelicidin LL-37; hCAP-18 C-terminal fragment) — LL-37 is the active 37-amino-acid C-terminal cathelicidin antimicrobial peptide derived from the human cathelicidin precursor protein hCAP-18. Research models examine its broad-spectrum antimicrobial activity, role in innate immunity, and interactions with mammalian cell membranes. The peptide is alpha-helical in membrane environments. Research use only. CAS: 154947-66-7. Molecular weight: 4493.3 g/mol.
- **[TB500 (FRAG)](https://nexuslaboratory.org/product/tb500-frag)** (also known as: Ac-Leu-Lys-Lys-Thr-Glu-Thr-Gln) — TB500 (FRAG) is the short thymosin beta-4 active fragment SKU and is chemically distinct from full-length TB-500/TB-4 products. Molecular weight: 889.02 g/mol.
- **[TB-500](https://nexuslaboratory.org/product/tb500-thymosin-b4-acetate)** — TB-500 is a synthetic peptide corresponding to the active region of Thymosin Beta-4 (Tβ4), a naturally occurring 43-amino acid protein involved in actin regulation and cell migration. CAS: 77591-33-4. Molecular weight: 4963.5 g/mol.
- **[Thymosin Alpha 1](https://nexuslaboratory.org/product/thymosin-alpha-1)** — Thymosin Alpha 1 (Tα1) is a 28-amino acid peptide originally isolated from thymic tissue. CAS: 62304-98-7. Molecular weight: 3108.28 g/mol.

### Cosmetic & Skin

- **[AHK-CU](https://nexuslaboratory.org/product/ahk-cu)** (also known as: Ala-His-Lys + Cu2+) — AHK-Cu is a synthetic copper tripeptide variant used in cosmetic and dermal-cell research, especially workflows comparing copper-binding peptide behavior against GHK-Cu. CAS: 682809-81-0 / 767286-83-9. Molecular weight: 416.9 g/mol.
- **[GHK basic](https://nexuslaboratory.org/product/ghk-basic)** (also known as: Gly-His-Lys) — GHK basic is the copper-free Gly-His-Lys tripeptide used as a comparator or formulation component in cosmetic peptide research. CAS: 49557-75-7. Molecular weight: 340.38 g/mol.
- **[GHK-Cu](https://nexuslaboratory.org/product/ghk-cu)** — GHK-Cu is a naturally occurring copper-binding tripeptide found in human plasma, saliva, and urine. CAS: 49557-75-7. Molecular weight: 403.93 g/mol.
- **[hyaluronic acid](https://nexuslaboratory.org/product/hyaluronic-acid)** — Hyaluronic acid is a polymeric glycosaminoglycan reagent; its functional behavior depends heavily on molecular-weight grade and salt form. CAS: 9004-61-9.
- **[Matrixyl](https://nexuslaboratory.org/product/matrixyl)** (also known as: Pal-Lys-Thr-Thr-Lys-Ser) — Matrixyl is a cosmetic lipopeptide used in extracellular-matrix and dermal-fibroblast research workflows. CAS: 214047-00-4. Molecular weight: 802.05 g/mol.
- **[SNAP-8 (Acetyl Octapeptide-3)](https://nexuslaboratory.org/product/snap-8)** (also known as: Acetyl Octapeptide-3; Ac-Glu-Glu-Met-Gln-Arg-Arg-NH2 derivative) — SNAP-8 is an acetylated 8-amino-acid synthetic peptide derived from the N-terminal sequence of the SNARE-complex protein SNAP-25. Research models examine its interaction with SNARE-complex assembly in research-context models of neurotransmitter-release pharmacology. Cosmetic and signaling research applications. Research use only. CAS: 868844-74-0. Molecular weight: 894.04 g/mol.

### Russian Bioregulators

- **[Bronchogen](https://nexuslaboratory.org/product/bronchogen)** (also known as: Ala-Glu-Asp-Leu) — Ala-Glu-Asp-Leu is a short synthetic peptide bioregulator in the Khavinson research family. Molecular weight: 446.46 g/mol.
- **[Cardiogen](https://nexuslaboratory.org/product/cardiogen)** (also known as: Ala-Glu-Asp-Arg) — Ala-Glu-Asp-Arg is a short synthetic peptide bioregulator in the Khavinson research family. Molecular weight: 489.49 g/mol.
- **[Cartalax](https://nexuslaboratory.org/product/cartalax)** (also known as: Ala-Glu-Asp) — Ala-Glu-Asp is a short synthetic peptide bioregulator in the Khavinson research family. Molecular weight: 333.3 g/mol.
- **[Chonluten](https://nexuslaboratory.org/product/chonluten)** (also known as: Glu-Asp-Gly) — Glu-Asp-Gly is a short synthetic peptide bioregulator in the Khavinson research family. Molecular weight: 319.27 g/mol.
- **[Cortagen](https://nexuslaboratory.org/product/cortagen)** (also known as: Ala-Glu-Asp-Pro) — Ala-Glu-Asp-Pro is a short synthetic peptide bioregulator in the Khavinson research family. Molecular weight: 430.41 g/mol.
- **[Crystagen](https://nexuslaboratory.org/product/crystagen)** (also known as: Glu-Asp-Pro) — Glu-Asp-Pro is a short synthetic peptide bioregulator in the Khavinson research family. Molecular weight: 359.34 g/mol.
- **[Livagen](https://nexuslaboratory.org/product/livagen)** (also known as: Lys-Glu-Asp-Ala) — Lys-Glu-Asp-Ala is a short synthetic peptide bioregulator in the Khavinson research family. Molecular weight: 461.47 g/mol.
- **[Ovagen](https://nexuslaboratory.org/product/ovagen)** (also known as: Glu-Asp-Leu) — Glu-Asp-Leu is a short synthetic peptide bioregulator in the Khavinson research family. Molecular weight: 375.38 g/mol.
- **[Pancragen](https://nexuslaboratory.org/product/pancragen)** (also known as: Lys-Glu-Asp-Trp) — Lys-Glu-Asp-Trp is a short synthetic peptide bioregulator in the Khavinson research family. Molecular weight: 576.61 g/mol.
- **[Pinealon](https://nexuslaboratory.org/product/pinealon)** (also known as: Glu-Asp-Arg; EDR tripeptide) — Pinealon is a synthetic 3-amino-acid Khavinson peptide bioregulator with the sequence Glu-Asp-Arg. Research models examine its role in pineal-axis bioregulator research, neuroprotection-related signaling, and CNS-pathway research in the broader Khavinson research framework described by V.Kh. Khavinson and colleagues. Research use only. Molecular weight: 418.4 g/mol.
- **[Prostamax](https://nexuslaboratory.org/product/prostamax)** (also known as: Lys-Glu-Asp-Pro) — Lys-Glu-Asp-Pro is a short synthetic peptide bioregulator in the Khavinson research family. Molecular weight: 487.51 g/mol.
- **[Testagen](https://nexuslaboratory.org/product/testagen)** (also known as: Lys-Glu-Asp-Gly) — Lys-Glu-Asp-Gly is a short synthetic peptide bioregulator in the Khavinson research family. Molecular weight: 447.44 g/mol.
- **[Thymalin](https://nexuslaboratory.org/product/thymalin)** (also known as: Thymic peptide preparation; Thymus extract bioregulator) — Thymalin is a thymic peptide preparation in the Khavinson short-peptide bioregulator research lineage. Research models examine its role in immune-axis bioregulator research, particularly in thymic and T-cell-related research models within the Khavinson research framework. Research use only.
- **[Vesugen](https://nexuslaboratory.org/product/vesugen)** (also known as: Lys-Glu-Asp) — Lys-Glu-Asp is a short synthetic peptide bioregulator in the Khavinson research family. Molecular weight: 390.39 g/mol.
- **[Vilon](https://nexuslaboratory.org/product/vilon)** (also known as: Lys-Glu) — Lys-Glu is a short synthetic peptide bioregulator in the Khavinson research family. Molecular weight: 275.31 g/mol.

### Cognitive & Nootropic

- **[Cerebrolysin 60mg](https://nexuslaboratory.org/product/cerebrolysin)** — Cerebrolysin is a standardized mixture of low-molecular-weight neuropeptides and free amino acids derived from enzymatic digestion of porcine brain proteins. CAS: 12656-61-0.
- **[DSIP](https://nexuslaboratory.org/product/dsip)** — Delta Sleep-Inducing Peptide (DSIP) is a naturally occurring 9-amino acid neuropeptide first isolated from rabbit brain venous blood. CAS: 62568-57-4. Molecular weight: 848.82 g/mol.
- **[N-Acetyl Epitalon Amidate](https://nexuslaboratory.org/product/n-acetyl-epitalon-amidate)** (also known as: Ac-Ala-Glu-Asp-Gly-NH2) — N-Acetyl Epitalon Amidate is a terminally protected analog of the AEDG Epitalon sequence used in stability and peptide-modification research contexts. Molecular weight: 431.4 g/mol.
- **[NA Selank amidate](https://nexuslaboratory.org/product/na-selank-amidate)** (also known as: Ac-Thr-Lys-Pro-Arg-Pro-Gly-Pro-NH2) — NA Selank Amidate is a modified Selank analog intended for research workflows comparing terminally protected forms against parent Selank. Molecular weight: 792.94 g/mol.
- **[NA Semax amidate](https://nexuslaboratory.org/product/na-semax-amidate)** (also known as: Ac-Met-Glu-His-Phe-Pro-Gly-Pro-NH2) — NA Semax Amidate is a modified Semax analog for research workflows comparing terminally protected forms against parent Semax. Molecular weight: 854.98 g/mol.
- **[P21 Adamantane](https://nexuslaboratory.org/product/p21-adamantane)** (also known as: Ac-DGGL-adamantane-G-NH2) — P21 Adamantane is the adamantane-modified P021-style molecule used in neurotrophic pathway research models. CAS: 1246751-68-7. Molecular weight: 578.66 g/mol.
- **[P21 No Adamantane](https://nexuslaboratory.org/product/p21-no-adamantane)** (also known as: Commonly marketed near DGGLAG-type P21 analogs; verify exact uncapped sequence) — P21 No Adamantane is a Nexus-only research SKU in the P021/P21 analog family.
- **[PE 22-28](https://nexuslaboratory.org/product/pe-22-28)** (also known as: Spadin analog (residues 22-28)) — PE 22-28 is a synthetic 7-amino-acid peptide derived from spadin (a sortilin-derived peptide). Research models examine its interaction with TREK-1 potassium channels, which are studied in CNS-pathway research models. The compound is a research-context spadin-pathway analog. Research use only. Molecular weight: 826.04 g/mol.
- **[PTD-DBM](https://nexuslaboratory.org/product/ptd-dbm)** (also known as: Arg-Arg-Arg-Arg-Arg-Arg-Arg-Arg-Gly-Gly-Gly-Gly-Arg-Lys-Thr-Gly-His-Gln-Ile-Cys-Lys-Phe-Arg-Lys-Cys) — PTD-DBM is a synthetic cell-penetrating peptide used to study Wnt/beta-catenin pathway modulation through CXXC5-Dvl interaction models. Molecular weight: 3082.6 g/mol.
- **[Selank](https://nexuslaboratory.org/product/selank)** — Selank is a synthetic heptapeptide composed of the tuftsin sequence (Thr-Lys-Pro-Arg) extended by Pro-Gly-Pro. CAS: 129954-34-3. Molecular weight: 751.87 g/mol.
- **[Semax](https://nexuslaboratory.org/product/semax)** — Semax is a synthetic heptapeptide derived from the ACTH (4-10) fragment with a stabilizing Pro-Gly-Pro C-terminal modification. CAS: 80714-61-0. Molecular weight: 813.93 g/mol.
- **[Semax 10mg+Selank 10mg](https://nexuslaboratory.org/product/semax-10mg-plus-selank-10mg)** — XS20 is a Nexus-only Semax/Selank research blend.

### Longevity & Cellular Health

- **[Epithalon](https://nexuslaboratory.org/product/epithalon)** — Epithalon (Epitalon) is a synthetic tetrapeptide analog of epithalamin, a naturally occurring pineal gland peptide. CAS: 307297-39-8. Molecular weight: 390.35 g/mol.
- **[FOX04-DRI](https://nexuslaboratory.org/product/foxo4)** — FOXO4-DRI is a D-retro-inverso peptide designed to disrupt the interaction between FOXO4 and p53 transcription factors. CAS: 2460055. Molecular weight: 4800 g/mol.
- **[Humanin 10mg](https://nexuslaboratory.org/product/humanin)** — Humanin is a 24-amino acid peptide encoded within the mitochondrial 16S rRNA gene. CAS: 330936. Molecular weight: 2687.1 g/mol.
- **[MOTS-c (Human)](https://nexuslaboratory.org/product/mots-c)** — MOTS-c is a 16-amino acid peptide encoded in the mitochondrial 12S rRNA gene. Molecular weight: 2174.7 g/mol.
- **[NAD+](https://nexuslaboratory.org/product/nad-plus)** — NAD+ (Nicotinamide Adenine Dinucleotide) is an essential coenzyme present in all living cells. CAS: 53-84-9. Molecular weight: 663.43 g/mol.
- **[PNC 27](https://nexuslaboratory.org/product/pnc-27)** (also known as: Pro-Pro-Leu-Ser-Gln-Glu-Thr-Phe-Ser-Asp-Leu-Trp-Lys-Leu-Leu-Lys-Lys-Trp-Lys-Met-Arg-Arg-Asn-Gln-Phe-Trp-Val-Lys-Val-Gln-Arg-Gly) — PNC-27 is a sequence-defined chimeric peptide used in oncology-relevant cell-culture mechanism research. Molecular weight: 4031.8 g/mol.
- **[SS-31](https://nexuslaboratory.org/product/ss-31)** — SS-31 (Elamipretide) is a cell-permeable tetrapeptide that selectively concentrates in the inner mitochondrial membrane by binding cardiolipin. CAS: 736992-21-5. Molecular weight: 640.77 g/mol.

### Tanning & Pigmentation

- **[MT-1 (Melanotan I / Afamelanotide research analog)](https://nexuslaboratory.org/product/mt-1)** (also known as: Melanotan 1; Afamelanotide research analog; [Nle4-DPhe7]-alpha-MSH) — MT-1 is a synthetic 13-amino-acid alpha-melanocyte-stimulating hormone (α-MSH) analog containing nor-leucine at position 4 and D-phenylalanine at position 7. Research models examine its selective agonism at melanocortin receptors (particularly MC1R) and its role as a research-context comparator to MT-2 (melanotan II) for melanocortin selectivity studies. Research use only. CAS: 75921-69-6. Molecular weight: 1646.85 g/mol.
- **[MT-2 (Melanotan II)](https://nexuslaboratory.org/product/mt-2-melanotan-2-acetate)** (also known as: Melanotan 2; Melanotan II; cyclic α-MSH analog) — MT-2 (Melanotan II) is a synthetic cyclic heptapeptide alpha-melanocyte-stimulating hormone (α-MSH) analog with broader melanocortin-receptor selectivity than MT-1. Research models examine its agonism across MC1R, MC3R, MC4R, and MC5R, supporting comparative pharmacology research on melanocortin pathway signaling. Research use only. CAS: 121062-08-6. Molecular weight: 1024.18 g/mol.

### Sexual Health

- **[Adamax 10mg](https://nexuslaboratory.org/product/adamax)** — Adamax (Adamantyl-Tyrosine dipeptide) is a nootropic research compound structurally related to BDNF-modulating peptides. Molecular weight: 382.5 g/mol.
- **[PT-141 10mg](https://nexuslaboratory.org/product/pt-141)** — PT-141 (Bremelanotide) is a cyclic heptapeptide metabolite of Melanotan II. CAS: 189691-06-3. Molecular weight: 1025.18 g/mol.
- **[VIP](https://nexuslaboratory.org/product/vip)** — Vasoactive Intestinal Peptide (VIP) is a 28-amino acid neuropeptide that activates VPAC1 and VPAC2 receptors (class B GPCRs). CAS: 37221-79-7. Molecular weight: 3326.82 g/mol.

### Sleep

- **[melatonin](https://nexuslaboratory.org/product/melatonin)** — Melatonin is an indoleamine small molecule used as a reference compound in circadian and oxidative-stress research contexts. CAS: 73-31-4. Molecular weight: 232.28 g/mol.

### Mitochondrial & Energy

- **[5-Amino-1MQ](https://nexuslaboratory.org/product/5-amino-1mq)** — 5-Amino-1MQ is a selective inhibitor of nicotinamide N-methyltransferase (NNMT), an enzyme that methylates nicotinamide using SAM as a methyl donor. CAS: 5467-79-8. Molecular weight: 158.2 g/mol.
- **[Aicar](https://nexuslaboratory.org/product/aicar)** — AICAR (5-Aminoimidazole-4-carboxamide ribonucleoside) is a cell-permeable nucleoside that is metabolized to ZMP (AICAR monophosphate), an AMP analog that activates AMP-activated protein kinase (AMPK). CAS: 2627-69-2. Molecular weight: 258.23 g/mol.
- **[Glutathione](https://nexuslaboratory.org/product/glutathione)** — Glutathione (GSH) is the most abundant intracellular antioxidant, a tripeptide that serves as the primary substrate for glutathione peroxidase and glutathione S-transferase enzyme families. CAS: 70-18-8. Molecular weight: 307.32 g/mol.

### Specialty Research

- **[Adipotide (FTTP)](https://nexuslaboratory.org/product/adipotide)** — Adipotide (FTTP) is a chimeric peptide designed to selectively target the vasculature of white adipose tissue. CAS: N/A (proprietary chimeric peptide). Molecular weight: 2500 g/mol.
- **[AOD9604](https://nexuslaboratory.org/product/aod9604)** — AOD9604 is a modified 16-amino acid peptide fragment corresponding to the C-terminal region of human growth hormone (amino acids 176-191). CAS: 221231-10-3. Molecular weight: 1815.08 g/mol.
- **[ARA-290 (Cibinetide)](https://nexuslaboratory.org/product/ara-290)** (also known as: Cibinetide; pHBSP; helix-B surface peptide) — ARA-290 (cibinetide) is an 11-amino-acid synthetic peptide derived from the helix-B surface of erythropoietin. Research models have examined its interaction with the innate-repair receptor (IRR; CD131 / β-common subunit) without engaging classical erythropoietin receptors. The compound is studied in preclinical tissue-protection research without erythropoiesis side effects characteristic of EPO. Research use only. CAS: 1208243-50-8. Molecular weight: 1257.4 g/mol.

### Oral Tablets

- **[BAM15](https://nexuslaboratory.org/product/bam15)** — BAM15 is not a peptide. CAS: 210302-17-3. Molecular weight: 340.29 g/mol.
- **[Lipo-C FAT BLASTER blend](https://nexuslaboratory.org/product/lipo-c-fat-blaster-blend)** — Lipo-C FAT BLASTER is a Nexus-only blend SKU.
- **[Lipo-C FOCUS blend](https://nexuslaboratory.org/product/lipo-c-focus-blend)** — Lipo-C FOCUS is a Nexus-only blend SKU.
- **[SLU-PP-332](https://nexuslaboratory.org/product/slu-pp-332)** — SLU-PP-332 is not a peptide. CAS: 303760-60-3. Molecular weight: 290.32 g/mol.
- **[SLU-PP-332 + BAM15 blend](https://nexuslaboratory.org/product/slu-pp-332-plus-bam15-blend)** — SLU-PP-332 + BAM15 blend is a two-component Nexus-only tablet SKU for small-molecule research workflows.

### Solvents & Accessories

- **[Acetic Acid Solution 1% (10ml)](https://nexuslaboratory.org/product/acetic-acid-water)** — Acetic acid solution (1%) is used as an alternative reconstitution solvent for peptides that have limited solubility in bacteriostatic water or plain sterile water. CAS: 64-19-7. Molecular weight: 60.05 g/mol.
- **[Bacteriostatic Water](https://nexuslaboratory.org/product/bac-water)** — Bacteriostatic water is sterile water preserved with 0.9% benzyl alcohol, which inhibits bacterial growth and allows multiple withdrawals from a single vial. CAS: N/A (sterile water with 0.9% benzyl alcohol preservative).
- **[Bacteriostatic Water](https://nexuslaboratory.org/product/water)** — Bacteriostatic water is sterile water preserved with 0.9% benzyl alcohol, which inhibits bacterial growth and allows multiple withdrawals from a single vial. CAS: N/A (sterile water with 0.9% benzyl alcohol preservative).

## Compliance

All Nexus Laboratory products and content are for in-vitro research use only. Nexus Laboratory does not provide therapeutic, dosing, or medical guidance and does not pair compounds with disease conditions as treatment claims. Customers are responsible for compliance with applicable institutional, local, state, and federal regulations.