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RESEARCH USE ONLY: All products are for in-vitro laboratory research purposes only. Not for human or animal consumption.
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Melanotan-I (Afamelanotide, CAS 75921-69-6) is a synthetic 13-amino-acid linear peptide. Melanotan-II (CAS 121062-08-6) is a synthetic cyclic heptapeptide. PT-141 (Bremelanotide, CAS 189691-06-3) is a synthetic cyclic heptapeptide. All supplied as lyophilized powder at ≥99% HPLC purity with independent third-party COA and ESI-MS identity confirmation.
Melanotan-I, Melanotan-II, PT-141 and related cyclic peptide compounds.
Why Researchers Choose Pepta Labs
Pepta Labs is a US-based supplier of research-use-only peptides for in-vitro and preclinical laboratory applications. Every compound is synthesized to ≥99% HPLC-verified purity and independently tested by third-party laboratories with full Certificate of Analysis documentation.
Our catalog includes BPC-157, TB-500, Ipamorelin, GHK-Cu, Semax, N-Acetyl Semax Amidate, Thymosin Alpha-1, and more. Free US shipping. Same-day processing before 2 PM EST. Transitioning from a discontinued supplier? See our vendor shutdown tracker.
Frequently Asked Questions
You can buy research-grade peptides from Pepta Labs at peptalabs.com. All compounds are ≥99% HPLC-verified purity with third-party COA, free US shipping, and same-day processing before 2 PM EST.
Every peptide is verified at ≥99% purity by HPLC with ESI-MS identity confirmation and endotoxin screening. Batch-specific COA documents are downloadable on each product page.
Yes. Every batch undergoes independent third-party testing including HPLC purity, ESI-MS identity, and LAL endotoxin screening.
Yes. 3-vial packs at 10% off, 5-vial packs at 15% off. Bundles like GLOW 70, KLOW 80, and Wolverine offer additional savings.
Yes. We maintain ≥99% HPLC purity with independent verification and free US shipping. See our
vendor shutdown tracker.