The peptide research library
Molecular profiles, reconstitution chemistry, storage, and analytical testing for every compound we manufacture — plus head-to-head comparisons and lab-methods guides. Written as a precise scientific reference, for laboratory research use only.
Semaglutide vs Tirzepatide vs Retatrutide
A research-use-only structural comparison of Semaglutide, Tirzepatide, and Retatrutide — incretin-class synthetic peptides compared by receptor classification, peptide backbone, molecular profile, and lyophilized format.
Compare →ComparisonBPC-157 vs TB-500
A research-use-only structural comparison of BPC-157 and TB-500 (thymosin beta-4 fragment): classification, peptide sequence, molecular formula, weight, and lyophilized format. No effects or dosing.
Compare →ComparisonSemax vs Selank
A research-use-only comparison of Semax vs Selank by classification, peptide structure, molecular profile, and physical format. Neutral scientific reference — no dosing or effects.
Compare →ComparisonCJC-1295 vs Ipamorelin
A research-use-only reference comparing CJC-1295 and Ipamorelin by peptide classification, structural class, molecular profile, and physical format. Neutral, RUO.
Compare →ComparisonIpamorelin vs Sermorelin
A research-use-only structural comparison of Ipamorelin and Sermorelin — classification, peptide class, molecular formulas, CAS numbers, molecular weight, and lyophilized format. No dosing or effects.
Compare →ComparisonMelanotan-1 vs Melanotan-2
A research-use-only comparison of Melanotan-1 and Melanotan-2 by classification, peptide structure, molecular formula, weight, and physical format. Analytical reference only.
Compare →How to Read a Certificate of Analysis (COA)
A research-use-only guide to interpreting a peptide Certificate of Analysis: mass spec identity, HPLC purity, net peptide content, endotoxin and sterility data, and matching a COA to the vial in hand.
Read →GuideBacteriostatic Water vs Sterile Water
A research-use-only reference on bacteriostatic water versus sterile water for reconstituting lyophilized peptides: 0.9% benzyl alcohol chemistry, multi-use vs single-use handling, and storage. No dosing.
Read →GuidePeptide Storage & Stability Guide
A precise RUO reference on storing lyophilized and reconstituted research peptides: temperature, light and moisture control, freeze-thaw, and degradation chemistry. Handling only.
Read →GuideHow HPLC and Mass Spectrometry Verify Peptide Purity
A research-use-only guide to how reverse-phase HPLC and high-resolution mass spectrometry measure peptide purity, related substances, and molecular identity — and why third-party COAs matter.
Read →RETATRUTIDE (RETA)
Retatrutide (RETA) is a synthetic 39-amino-acid, lipid-conjugated peptide (CAS 2381089-83-2) classified as a unimolecular GIP/GLP-1/glucagon triple receptor agonist, supplied as a lyophilized research-grade solid at ≥99% HPLC purity for laboratory use only.
Read reference →CompoundRETATRUTIDE + CAGRILINTIDE
Retatrutide + Cagrilintide is a co-formulated research combination pairing Retatrutide, a 39-residue GIP/GLP-1/glucagon triple-receptor agonist peptide, with Cagrilintide, a 32-residue long-acting amylin analogue. It is supplied as a lyophilized research-grade material for laboratory use only.
Read reference →CompoundSEMAGLUTIDE
Semaglutide is a synthetic 31-residue GLP-1 receptor agonist analog (CAS 910463-68-2) carrying an Aib substitution at position 2 and a fatty-diacid side chain at Lys26. It is supplied as a lyophilized research-grade peptide for laboratory use only.
Read reference →CompoundTIRZEPATIDE
Tirzepatide is a synthetic 39-amino-acid, lipid-conjugated peptide (CAS 2023788-19-2) engineered as a dual agonist of the GIP and GLP-1 receptors, supplied as a research-grade lyophilized material for laboratory use only.
Read reference →AOD-9604
AOD-9604 is a synthetic 16-amino-acid peptide analog derived from the C-terminal region of human growth hormone, supplied as a lyophilized research-grade material at ≥99% HPLC purity for laboratory use only.
Read reference →CompoundARA-290
ARA-290 (cibinetide) is a synthetic 11-amino-acid peptide (CAS 1208243-50-8) whose sequence corresponds to a surface region of erythropoietin, supplied as a lyophilized research-grade material at ≥99% HPLC purity for laboratory use only.
Read reference →CompoundBPC-157
BPC-157 is a synthetic 15-amino-acid pentadecapeptide (CAS 137525-51-0) supplied as a lyophilized research chemical at ≥99% HPLC purity for laboratory research use only.
Read reference →CompoundDIHEXA
DIHEXA is a synthetic, metabolically stabilized oligopeptide analog derived structurally from angiotensin IV, supplied as a lyophilized research-grade material at ≥99% purity by HPLC for laboratory use only.
Read reference →CompoundDSIP
DSIP (Delta Sleep-Inducing Peptide) is a naturally occurring nonapeptide (Trp-Ala-Gly-Gly-Asp-Ala-Ser-Gly-Glu) originally isolated from the cerebral venous blood of sleeping rabbits, supplied as a research-grade material for laboratory use only.
Read reference →CompoundGHK-Cu (Copper Peptide)
GHK-Cu (Copper Peptide) is a copper(II) coordination complex of the naturally occurring tripeptide glycyl-L-histidyl-L-lysine (Gly-His-Lys), supplied as a research-grade reference material at >=99% HPLC purity.
Read reference →CompoundIGF-1 LR3
IGF-1 LR3 (Long R3 IGF-1) is a research-grade recombinant analog of insulin-like growth factor 1, engineered as an 83-residue polypeptide with an arginine-for-glutamate substitution at position 3 and a 13-residue N-terminal extension. It is supplied as a lyophilized powder for laboratory research use only.
Read reference →CompoundIPAMORELIN
Ipamorelin is a synthetic pentapeptide (Aib-His-D-2-Nal-D-Phe-Lys-NH2) supplied as a lyophilized research-grade material for in-vitro laboratory investigation only.
Read reference →CompoundKISSPEPTIN-10
Kisspeptin-10 is a synthetic decapeptide corresponding to the conserved C-terminal fragment of the KISS1 gene-derived kisspeptin family, supplied as a lyophilized research-grade material at ≥99% HPLC purity for laboratory use only.
Read reference →CompoundKPV
KPV is a synthetic tripeptide composed of the amino acids lysine, proline, and valine (Lys-Pro-Val), supplied as a lyophilized research-grade powder for laboratory use only.
Read reference →CompoundL-GLUTATHIONE
L-Glutathione (GSH) is a naturally occurring linear tripeptide, gamma-L-glutamyl-L-cysteinyl-glycine (CAS 70-18-8), distinguished by an atypical gamma-peptide bond and a redox-active cysteinyl thiol, supplied as a research-grade reference material at greater than or equal to 99 percent HPLC purity.
Read reference →CompoundMELANOTAN-1
Melanotan-1 is a synthetic 13-amino-acid peptide analog of alpha-melanocyte-stimulating hormone (α-MSH), supplied as a lyophilized research-grade solid at ≥99% purity by HPLC for laboratory research use only.
Read reference →CompoundMELANOTAN-2
Melanotan-2 (MT-2) is a synthetic cyclic heptapeptide analog of alpha-melanocyte-stimulating hormone (α-MSH), supplied as a lyophilized research-grade solid for laboratory use only.
Read reference →CompoundMOTS-C
MOTS-C is a 16-amino-acid mitochondrial-derived research peptide (molecular formula C101H152N28O22S2, molecular weight 2174.55) supplied as a lyophilized solid for laboratory research use only.
Read reference →CompoundNAD+
NAD+ (nicotinamide adenine dinucleotide, oxidized form) is a naturally occurring pyridine dinucleotide coenzyme supplied as a research-grade reference material (CAS 53-84-9; C21H27N7O14P2; MW 663.43). It is offered strictly for in-vitro laboratory research use.
Read reference →CompoundP-21
P-21 is a synthetic, CNTF-derived hexapeptide (Ac-Asp-Gly-Gly-Leu-Ala-Gly-NH2) supplied as a lyophilized research chemical at ≥99% HPLC purity for laboratory use only.
Read reference →CompoundPE-22-28
PE-22-28 is a synthetic linear heptapeptide (Gly-Val-Ser-Trp-Gly-Leu-Arg) corresponding to the C-terminal 22-28 region of the endogenous propeptide spadin, supplied as a research-grade reference material for laboratory use only.
Read reference →CompoundPT-141
PT-141 is a synthetic cyclic heptapeptide (CAS 189691-06-3) featuring a side-chain lactam bridge, supplied as a lyophilized research-grade material at ≥99% HPLC purity for laboratory research use only.
Read reference →CompoundSELANK
Selank is a synthetic heptapeptide (sequence Thr-Lys-Pro-Arg-Pro-Gly-Pro) supplied as a lyophilized research chemical for laboratory use only. It is a stabilized analog derived from the endogenous tetrapeptide tuftsin, characterized here by its defined molecular profile and analytical purity.
Read reference →CompoundSEMAX
Semax is a synthetic heptapeptide (Met-Glu-His-Phe-Pro-Gly-Pro) supplied as a lyophilized research-grade solid for laboratory use only. It carries CAS number 80714-61-0 and a molecular weight of 813.93.
Read reference →CompoundSERMORELIN
Sermorelin is a synthetic 29-amino-acid peptide amide corresponding to the N-terminal 1-29 fragment of human growth-hormone-releasing hormone (GRF 1-29 NH2), supplied as a research-grade lyophilized powder for laboratory use only.
Read reference →CompoundSS-31
SS-31 is a synthetic, cell-permeable tetrapeptide (D-Arg-Dmt-Lys-Phe-NH2) belonging to the Szeto-Schiller class of aromatic-cationic peptides, supplied as a research-grade material for in-vitro laboratory investigation only.
Read reference →CompoundTB-500
TB-500 is a synthetic seven-residue acetylated peptide corresponding to the active 17-23 fragment of the naturally occurring protein Thymosin β4, supplied as a lyophilized research-grade material for laboratory use only.
Read reference →CompoundTESAMORELIN
Tesamorelin is a synthetic 44-amino-acid peptide analog of human growth hormone-releasing hormone (GHRH), supplied as a lyophilized research-grade material at ≥99% HPLC purity for laboratory use only.
Read reference →CompoundTHYMOSIN ALPHA-1
Thymosin Alpha-1 is a synthetic 28-amino-acid, N-terminally acetylated polypeptide (CAS 62304-98-7) supplied as a lyophilized research-grade reference material at ≥99% HPLC purity for laboratory use only.
Read reference →BPC-157 + TB-500 (Wolverine Blend)
The Wolverine Blend is a research-use-only combination of two synthetic peptides—BPC-157, a 15-amino-acid pentadecapeptide, and TB-500, a 7-amino-acid acetylated fragment—supplied together as a single lyophilized preparation for in-vitro laboratory investigation.
Read reference →CompoundCJC-1295 (NO DAC) + GHRP-6
CJC-1295 (No DAC) + GHRP-6 is a two-component research blend combining a modified growth hormone-releasing hormone (GHRH) peptide analog with a synthetic growth hormone secretagogue hexapeptide, supplied as a co-lyophilized powder for in-vitro laboratory research only.
Read reference →CompoundCJC-1295 (NO DAC) + IPAMORELIN
CJC-1295 (no DAC) + Ipamorelin is a two-component synthetic peptide blend pairing a 29-amino-acid growth-hormone-releasing hormone (GHRH) analog with a 5-amino-acid growth hormone secretagogue, supplied as a lyophilized research material for in-vitro laboratory use only.
Read reference →CompoundGLOW MIX
GLOW MIX is a research-grade, multi-component peptide blend supplied as a co-formulated lyophilized preparation intended exclusively for in-vitro laboratory investigation.
Read reference →CompoundKLOW BLEND
KLOW Blend is a lyophilized, multi-component research peptide preparation supplied at ≥99% purity by HPLC, combining several individually catalogued peptides into a single vial intended strictly for in-vitro laboratory research.
Read reference →CompoundTESAMORELIN + IPAMORELIN
Tesamorelin + Ipamorelin is a two-component lyophilized research peptide blend pairing a 44-residue GHRH analogue (Tesamorelin) with a pentapeptide growth hormone secretagogue (Ipamorelin), supplied for laboratory research use only at ≥99% HPLC purity with a certificate of analysis.
Read reference →SELANK + SEMAX NASAL SPRAY
Selank + Semax Nasal Spray is a research-use-only preparation combining two synthetic heptapeptides — Selank (C33H57N11O9) and Semax (C37H51N9O10S) — supplied for in-vitro and laboratory investigation at ≥99% HPLC purity.
Read reference →CompoundSELANK NASAL SPRAY
Selank is a synthetic heptapeptide (CAS 129954-34-3) with the sequence Thr-Lys-Pro-Arg-Pro-Gly-Pro, supplied here in a nasal spray presentation as a research-grade reference material for laboratory use only.
Read reference →CompoundSEMAX NASAL SPRAY
Semax is a synthetic heptapeptide (Met-Glu-His-Phe-Pro-Gly-Pro) structurally derived from the ACTH(4-7) fragment, supplied here as a research-grade nasal spray preparation for laboratory use only.
Read reference →Melts Pro™ Selank + Semax Dissolving Strips
Melts Pro™ Selank + Semax Dissolving Strips are a research-use-only oral thin-film format co-formulating two synthetic heptapeptides, Selank and Semax, into 20 ready-to-handle dissolving strips that require no reconstitution.
Read reference →CompoundMelts™ Brain-Fuel Dissolving Strips
Melts™ Brain-Fuel Dissolving Strips are a research-use-only, fast-dissolving oral-film format presenting a Japanese Mint–flavored strip matrix, supplied as 30 strips per unit and verified at ≥99% purity by HPLC.
Read reference →CompoundMelts™ NAD+ Dissolving Strips
Melts NAD+ Dissolving Strips are a fast-dissolving thin-film presentation of nicotinamide adenine dinucleotide (NAD+), a naturally occurring dinucleotide coenzyme, supplied as a lemon-flavored 30-strip format for research use only.
Read reference →EPITHALON
Epithalon (also written Epitalon; AEDG) is a synthetic tetrapeptide bioregulator composed of the amino acid sequence Ala-Glu-Asp-Gly, supplied as a lyophilized research-grade powder for laboratory use only.
Read reference →CompoundPINEALON
Pinealon is a synthetic short-chain peptide bioregulator composed of the tripeptide sequence Glu-Asp-Arg (EDR), supplied as a lyophilized research-grade solid for laboratory use only.
Read reference →CompoundPROSTAMAX
Prostamax is a short-chain peptide bioregulator supplied as a lyophilized research-grade material, characterized at ≥99% purity by HPLC with a certificate of analysis available. It is intended strictly for in-vitro laboratory research use.
Read reference →CompoundTESTAGEN
TESTAGEN is a synthetic short-peptide bioregulator with the amino acid sequence Lys-Glu-Asp-Gly (KEDG), supplied as a lyophilized powder for laboratory research use only.
Read reference →CompoundTHYMALIN
Thymalin (CAS 79621-14-0) is a standardized thymic polypeptide bioregulator complex — a lyophilized fraction of low-molecular-weight peptides rather than a single defined molecule — supplied as a research-grade reference material for laboratory use only.
Read reference →CompoundVESUGEN
Vesugen is a synthetic linear tripeptide (L-Lys-L-Glu-L-Asp, "KED") belonging to the Khavinson family of short-peptide bioregulators, supplied as a research-grade material for laboratory use only.
Read reference →CompoundVILON
Vilon is a short synthetic peptide bioregulator consisting of the linear dipeptide L-lysyl-L-glutamic acid (Lys-Glu, "KE"), supplied as a research-grade reference material for in-vitro laboratory study.
Read reference →All content is provided for laboratory and research reference only and is not medical advice. Products are not for human or veterinary consumption.