Skip to content

Product Specifications

Overview

HK Peptides Worldwide manufactures 40+ unique research peptides with 98 SKU configurations across 7 application categories. Every product is verified by HPLC, confirmed by mass spectrometry, and shipped with batch-specific Certificate of Analysis documentation.

Metric Value
Unique Molecules 40+ research peptides
SKU Configurations 98
Purity Standard ≥99% HPLC (≥98% for select compounds)
MS Verification ESI-MS on every batch
Manufacturer HK Peptides Worldwide — direct supply
Documentation COA, MSDS, HPLC/MS data on request

Quality Standards Summary

Parameter Standard Method
Purity ≥99.0% (≥98% for select) Reverse-phase HPLC (C18, 214/220 nm)
Identity (MW) Mass confirmed ESI-MS
Appearance White to off-white lyophilized powder Visual inspection
Residual Moisture ≤3% Karl Fischer titration
Storage 2–8°C, desiccated, protect from light Validated conditions
Batch Traceability Full production + QC chain Batch manufacturing records
Documentation COA, MSDS, commercial invoice, packing list Standard per order

Product Categories

GLP-1 & Metabolic (7 peptides)

Product CAS Key Research Area
Semaglutide 910463-68-2 Long-acting GLP-1 receptor agonist
Tirzepatide 2023788-19-2 Dual GIP/GLP-1 receptor agonist
Retatrutide 2381089-83-2 Triple GIP/GLP-1/GCG receptor agonist
Cagrilintide Long-acting amylin analog
AOD-9604 221231-10-3 hGH fragment 177-191, lipolysis
MOTS-c Mitochondrial-derived metabolic peptide
Tesamorelin 218949-48-5 GHRH analog

Healing & Recovery (7 peptides)

Product CAS Key Research Area
BPC-157 137525-51-0 Tissue repair, angiogenesis, GI protection
TB-500 Cell migration, wound healing
KPV Anti-inflammatory, α-MSH derivative
Thymosin Alpha-1 62304-98-7 Thymic peptide, immune response
Thymalin 63958-90-7 Immune modulation, thymic peptide
SS-31 330461-58-0 Mitochondrial protection
LL-37 Antimicrobial cathelicidin, host defense

Growth Hormone Secretagogues (10 peptides)

Product CAS Key Research Area
HGH Recombinant human growth hormone
CJC-1295 (DAC) Long-acting GHRH analog
CJC-1295 (no DAC) Short-acting GHRH analog
Ipamorelin (component in peptide blends) Selective GHS-R agonist
GHRP-2 Ghrelin receptor agonist
GHRP-6 Ghrelin receptor + appetite
IGF-1 LR3 IGF-1 long R3, somatomedin axis
MGF Mechano growth factor
PEG-MGF PEGylated mechano growth factor
Sermorelin GHRH 1-29 analog
MK-677 159752-10-0 Oral GH secretagogue

Cosmetic & Skin (2 peptides)

Product CAS Key Research Area
GHK-Cu Copper peptide, collagen synthesis
Snap-8 868844-74-0 SNAP-25 inhibitor, anti-wrinkle

Melanocortin & Tanning (3 peptides)

Product CAS Key Research Area
Melanotan-1 75921-69-6 MT-1, melanocortin receptor agonist
Melanotan-2 121062-08-6 MT-2, melanogenesis research
PT-141 Bremelanotide, MC receptor agonist

Nootropic & Neuro (3 peptides)

Product CAS Key Research Area
Selank Anxiolytic, tuftsin analog
DSIP Delta sleep-inducing peptide
Dermorphin 77614-16-5 μ-opioid receptor agonist

Other Research Peptides (6 peptides)

Product CAS Key Research Area
AICAR 2627-69-2 AMPK activator, metabolic
Glutathione Primary antioxidant tripeptide
Kisspeptin-10 374683-24-6 GnRH research
NAD+ Cellular energy coenzyme
Oxytocin 50-56-6 Neurohypophyseal hormone
VIP 37221-79-7 Vasoactive intestinal peptide

Peptide Research Blends

Blend Components Focus
Peptide Blends BPC-157+TB-500, CJC+IPA, Sema+Cagri Multi-peptide research stacks