PT-141

10 mg · Melanocortin receptor agonist investigated in sexual response research.

Sexual Health & Fertility

Batch: ATMI-24.10
Issued: July 29, 2026
Manufactured: USA · ISO 9001:2015
Storage: 2–8°C, desiccated, dark
Shelf life: 24 months from mfg.
Appearance: White lyophilized powder

Analytical Results

Test	Method	Specification	Result
Identity	LC-MS	Confirms sequence	Conforms
Purity	RP-HPLC (220 nm)	≥ 98.0%	≥99.2%
Molecular weight	ESI-MS	1025.18 g/mol	1025.18 g/mol
Water content	Karl Fischer	≤ 8.0%	4.2%
Acetate content	Ion chromatography	≤ 15.0%	7.8%
Bacterial endotoxin	LAL	≤ 5 EU/mg	< 0.5 EU/mg
Bioburden	USP <61>	≤ 100 CFU/g	< 10 CFU/g

Sequence / Structure

Ac-Nle-cyclo[Asp-His-D-Phe-Arg-Trp-Lys]-OH

Regulatory

For laboratory research use only. Not for human consumption, diagnostic or therapeutic use. This product is not a drug, food, or cosmetic and must not be misbranded or misrepresented as such.

Released by

Dr. A. Reeves · Quality Assurance

ATMI Labs · QA-ATMI-24.10