Research Use Only. PT-141 is sold as a chemical reagent for in-vitro laboratory research. It is not a drug, supplement, or compounded preparation, and it is not for human or veterinary use. Wholesale Peptide Supply is not a pharmacy or compounding facility under 503A or 503B.
Wholesale PT-141 — Bulk Research Supply
Buy PT-141 wholesale and in bulk from a US-based research peptide supplier. Every lot is sourced in the USA and third-party third-party tested via HPLC/MS. Bulk PT-141 is quoted by dose and volume from a 100-vial mix-and-match minimum; volume pricing is earned per compound at 100 kits.
PT-141 (Bremelanotide) is a synthetic α-MSH analog selective for central MC3R/MC4R activity, studied for neuroendocrine signaling and vascular pathways.
Wholesale Catalog
Available Doses
Published per-vial wholesale pricing for PT-141. Sold in kits of 10 vials with a 100-vial order minimum you can mix and match across compounds; volume pricing applies at 1,000+ vials. Contact us for larger or custom-volume quotes — typically answered within 10 minutes during business hours.
PT-141 10mg
WPSPT10 · CAS 189691-06-3 · Melanocortin
$15.53/vial · under 100 kits · $12.42/vial · 100+ kits of this item
Sold in kits of 10 vials · 100-vial order minimum (mix & match across compounds) · 100+ kits of this item unlocks the lower price
Overview
PT-141 (Bremelanotide) is a synthetic α-MSH analog selective for central MC3R/MC4R activity, studied for neuroendocrine signaling and vascular pathways.
History
Developed via structural modifications of Melanotan II to focus on central MC3R/MC4R receptor activity.
Certificates of Analysis
Every lot of PT-141 is tested by an independent third-party laboratory using HPLC/MS. 2 certificates are on file below — open any one to read the full report.
| Lot | Dose | Tested | Certificate |
|---|---|---|---|
| 100089-0943 | 10mg | 2026-08-20 | |
| 100032-0297 | 10mg | 2026-07-29 |
Key Areas of Research
- CNS MC3R/MC4R activity
- Melanocortin receptor modulation
- Autonomic and hemodynamic pathways
References
- Dorr R.T. et al. (1996). Life Sci 58(20):1777–1784.
- Diamond L.E. et al. (2004). J Sex Med 1(1):10–17.
PT-141 — Frequently Asked Questions
- What is PT-141?
- PT-141 (Bremelanotide) is a synthetic α-MSH analog selective for central MC3R/MC4R activity, studied for neuroendocrine signaling and vascular pathways.
- What is the CAS number for PT-141?
- The CAS number for PT-141 is 189691-06-3. Its molecular formula is C₅₀H₆₈N₁₄O₁₀ (MW 1,025.2 g/mol).
- What doses of PT-141 are available wholesale?
- Wholesale Peptide Supply stocks PT-141 in 10mg. Wholesale pricing is provided by quote based on order volume across 100–1,000 vials.
- Is PT-141 third-party tested?
- Yes. Every lot of PT-141 is tested by an independent third-party laboratory using HPLC/MS, and a per-lot Certificate of Analysis documenting identity and purity is available as a paid add-on.
- Is PT-141 for human use?
- No. PT-141 is sold strictly as a chemical reagent for in-vitro laboratory research and is not for human or veterinary use. Wholesale Peptide Supply is not a pharmacy or compounding facility.
- How do I get wholesale pricing for PT-141?
- Request a quote through our contact form or open a wholesale account. An account manager replies with volume pricing and lead times, typically within 10 minutes during business hours.
- Can I order PT-141 in bulk?
- Yes. PT-141 is available for bulk and wholesale orders, quoted by dose and volume, with the lower price earned per compound at 100 kits (1,000 vials). Submit the doses and quantities you need for a bulk quote; all material is sourced in the USA and third-party HPLC/MS tested.
Research Use Only
All products are intended solely for laboratory research purposes and are not for human or animal consumption. Must be handled by qualified professionals.
Related Compounds
Melanocortin
Melanotan II
Melanotan II is a synthetic cyclic heptapeptide analog of α-MSH acting as a nonselective melanocortin receptor agonist (MC1R, MC3R, MC4R, MC5R).
View details →Melanocortin
Oxytocin
Oxytocin is a cyclic nonapeptide synthesized in hypothalamic neurons. Through OXTR binding, it activates phospholipase C-mediated pathways. Studied for smooth muscle, CNS, and autonomic signaling.
View details →Melanocortin
Kisspeptin-10
Kisspeptin-10 is the decapeptide Tyr-Asn-Trp-Asn-Ser-Phe-Gly-Leu-Arg-Phe-NH₂, corresponding to the bioactive C-terminal residues 45-54 of metastin. It is studied as a KISS1R (GPR54) agonist in laboratory models of neuroendocrine signaling.
View details →Melanocortin
Melanotan I
Melanotan I (afamelanotide) is a 13-amino-acid analog of α-melanocyte stimulating hormone, [Nle⁴, D-Phe⁷]-α-MSH. It is studied as a melanocortin-1 receptor agonist in laboratory pigmentation and photoprotection models.
View details →Melanocortin
PT-141 Liquid Spray
PT-141 (Bremelanotide) supplied as an atomized solution in a metered spray bottle. A synthetic α-MSH analog selective for central MC3R/MC4R activity, supplied in solution rather than as a lyophilised solid.
View details →Melanocortin
MT-2 (Melanotan II) Liquid Spray
Melanotan II supplied as an atomized solution in a metered spray bottle — a cyclic α-MSH analog with broad melanocortin receptor activity.
View details →GLP-1 & Metabolic
Semaglutide
Semaglutide is a synthetic peptide analog that functions as a long-acting pathway agonist, structurally modified for extended half-life and improved target binding affinity. It is studied in preclinical and laboratory models for its ability to activate target pathways and modulate downstream molecular signaling associated with endocrine regulation.
View details →GLP-1 & Metabolic
Tirzepatide
Tirzepatide is a synthetic peptide that functions as a dual pathway agonist, designed as a once-weekly investigational compound studied in preclinical laboratory models for receptor-mediated signaling and modulation of downstream cascades.
View details →