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Research Peptide Database

Peptide Encyclopedia

A comprehensive database of research-grade peptides, each with detailed study notes, molecular data and certificate-of-analysis specifications.

Tirzepatide Dual GLP-1/GIP Agonist
Weight & Metabolic Research

Tirzepatide

GLP-1/GIP 双激动剂

A novel dual GIP and GLP-1 receptor agonist with a 39-amino-acid backbone and a C20 fatty diacid moiety for albumin binding, giving a half-life of about 5 days.

Molecular Weight4813.45 Da
CAS No.2023788-19-2
Purity>=99% (HPLC)
FormulaC225H348N48O68
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Semaglutide GLP-1 Receptor Agonist
Weight & Metabolic Research

Semaglutide

GLP-1 激动剂

A long-acting GLP-1 receptor agonist with a 31-amino-acid backbone and a lipophilic side chain that extends its half-life to roughly one week.

Molecular Weight4113.58 Da
CAS No.910463-68-2
Purity>=99% (HPLC)
FormulaC187H291N45O59
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Retatrutide Triple Agonist
Weight & Metabolic Research

Retatrutide

三受体激动剂

A triple agonist peptide targeting the GLP-1, GIP and glucagon receptors simultaneously. Currently in Phase 3 clinical trials.

Molecular Weight4731.36 Da
CAS No.2381089-83-2
Purity>=99% (HPLC)
FormulaC221H342N46O68
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BPC-157 Body Protection Compound
Healing & Immune

BPC-157

修复肽

A synthetic pentadecapeptide derived from a gastric juice protein, widely studied for its reported cytoprotective and tissue-repair activity.

Molecular Weight1419.53 Da
CAS No.137525-51-0
Purity>=99% (HPLC)
FormulaC62H98N16O22
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TB-500 Thymosin Beta-4 Fragment
Healing & Immune

TB-500

胸腺素 β4 片段

A synthetic version of thymosin beta-4, studied for its role in actin regulation and its reported effects on cell migration and repair.

Molecular Weight4963.49 Da
CAS No.77591-33-4
Purity>=99% (HPLC)
FormulaC212H350N56O78S
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Ipamorelin GH Secretagogue
Growth & Anti-Aging

Ipamorelin

生长激素促分泌素

A selective growth-hormone secretagogue pentapeptide, studied for its selectivity and minimal effect on cortisol and prolactin.

Molecular Weight711.85 Da
CAS No.170851-70-4
Purity>=99% (HPLC)
FormulaC38H49N9O5
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CJC-1295 DAC GHRH Analogue
Growth & Anti-Aging

CJC-1295 DAC

GHRH 类似物

A long-acting growth-hormone-releasing hormone analogue bearing a Drug Affinity Complex that extends its half-life considerably.

Molecular Weight3647.20 Da
CAS No.863288-34-0
Purity>=99% (HPLC)
FormulaC165H269N47O46
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GHK-Cu Copper Peptide
Skin Beauty

GHK-Cu

铜肽

A naturally occurring copper-binding tripeptide studied for its role in collagen synthesis, antioxidant activity and skin remodelling.

Molecular Weight340.38 Da
CAS No.89030-95-5
Purity>=98% (HPLC)
FormulaC14H22N6O4Cu
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Semax Nootropic Peptide
Nerves & Cognition

Semax

促智肽

A synthetic ACTH(4-10) analogue studied for its reported effects on cognition, attention and neuroprotection.

Molecular Weight813.92 Da
CAS No.80714-61-0
Purity>=99% (HPLC)
FormulaC37H51N9O10S
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SS-31 (Elamipretide) Mitochondria-Targeted Peptide
Mitochondrial & Longevity

SS-31 (Elamipretide)

线粒体靶向肽

A mitochondria-targeted tetrapeptide that selectively associates with cardiolipin and is studied for its effects on mitochondrial bioenergetics.

Molecular Weight639.79 Da
CAS No.736992-21-5
Purity>=99% (HPLC)
FormulaC32H49N9O5
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PT-141 (Bremelanotide) Melanocortin Agonist
Sexual Health & Mood

PT-141 (Bremelanotide)

黑皮质素受体激动剂

A cyclic melanocortin receptor agonist studied for its central effects on sexual desire via the MC4 receptor pathway.

Molecular Weight1025.18 Da
CAS No.189691-06-3
Purity>=99% (HPLC)
FormulaC50H68N14O10
View Details
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