PT-141 10mg

PT-141 10mg (Bremelanotide) is a cyclic heptapeptide melanocortin receptor agonist, supplied as a 10mg research vial. Each batch is HPLC-verified at 99.2% purity and is independently tested by Renew Labs, a third-party analytical lab, with a batch-specific Certificate of Analysis (COA) included. For laboratory and research use only. Not for human consumption.

Research Applications

PT-141 (Bremelanotide) is a synthetic cyclic heptapeptide analog of alpha-MSH that acts as an agonist at melanocortin receptors, with primary research interest in the MC3R and MC4R subtypes. It is used in laboratory studies of central melanocortin signaling, receptor pharmacology, and related neuroendocrine pathways.

Certificate of Analysis (COA): Batch PT141-10102601

Batch No.: PT141-10102601 | Mfg Date: Oct 15, 2026 | Retest Date: Oct 15, 2028 | Storage: short term 2-8°C, long term below -20°C, protected from light and moisture.

Purity and Verification

Every batch of Kynetide PT-141 is independently tested by Renew Labs. This batch of PT-141 is verified at 99.2% HPLC purity, exceeding the NLT 98.0% specification. The full analytical panel covers HPLC, ESI mass spectrometry, assay content, Karl Fischer water analysis, bacterial endotoxin testing, and residual solvents (ICH Q3C), supporting reliable, reproducible research results.

Research Literature

PT-141 has been studied in peer-reviewed research. Selected published literature includes:

• Molinoff PB, et al. “PT-141: a melanocortin agonist for the treatment of sexual dysfunction.” Annals of the New York Academy of Sciences, 2003. PMID: 12851303

These citations are provided for research reference only and do not imply any claim about the effects of this product.

Frequently Asked Questions

What is PT-141?
PT-141 (Bremelanotide) is a cyclic heptapeptide melanocortin receptor agonist. Kynetide supplies it as a 10mg research vial.

What is PT-141 studied for?
PT-141 is studied as a melanocortin receptor agonist (MC3R/MC4R) in central melanocortin signaling and receptor pharmacology research.

What is the CAS number and molecular formula of PT-141?
PT-141 has CAS No. 189691-06-3, molecular formula C50H68N14O10, and molecular weight 1025.2 g/mol.

What purity is this batch?
Batch PT141-10102601 is verified at 99.2% HPLC purity, exceeding the NLT 98.0% specification, with mass spectrometry, endotoxin, water content, and residual solvent testing on the COA.

How does this PT-141 product compare to other options?
PT-141 is a cyclic lactam derived from Melanotan II. Research on it centers on melanocortin receptor signaling rather than pigmentation pathways.

How should PT-141 be stored?
Store lyophilized material at 2-8°C short term; for long-term storage the batch COA specifies below -20°C, protected from light and moisture.

What documentation comes with each order?
Each order includes a batch-specific third-party COA showing HPLC purity, mass spectrum, assay content, water content, endotoxin, and residual solvent results.

Is this product for human use?
No. This product is strictly for laboratory and research use only and is not intended for human consumption.

For laboratory and research use only. Not for human consumption. This product is not a drug, supplement, food, or cosmetic and is not intended to diagnose, treat, cure, or prevent any disease.