SEXUAL WELLNESS & PIGMENTATION
PT-141
Cyclic melanocortin agonist (bremelanotide). Studied in MC4R-pathway research.
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Certificate of Analysis
Third-party tested · ISO/IEC 17025 accredited
99.2%
purity
✓ Passed full QC panel
- Variant
- PT-141 · 10 mg
- Lot #
- AML-2026-0528
- Labeled
- 10 mg
- Tested
- 2026-04-28
Full QC panel
- Purity (HPLC)
- 99.2%
- Net Peptide Content
- Pass
- Identity (HPLC-MS)
- Confirmed
- Heavy Metals (ICP-MS)
- Not detected
- Sterility
- No growth
- Endotoxin (LAL)
- Within limits
Purity, lot and tested date are per-lot; remaining QC rows are representative — exact values on the CoA.
Compound Information
Chemical and structural properties
Chemical identity verified via NIH PubChem · biological targets characterized from the peer-reviewed literature.
Molecular profile
Structure
- CAS Number
- 189691-06-3
- Molecular Formula
- C50H68N14O10
- Molecular Weight
- 1025.2 g/mol
- Sequence
- Ac-Nle-cyclo[Asp-His-D-Phe-Arg-Trp-Lys]-OH
- Type
- Research peptide
- PubChem
- CID 9941379 ↗
Biological targets
Interactions
- Primary target
- Melanocortin receptors (MC4R, MC1R)
- Pathway
- MC4R–cAMP central-nervous-system signaling
- Mechanism
- Cyclic melanocortin-receptor agonist
- Research area
- Sexual-response and CNS melanocortin research
Physical properties
Handling & Storage
- Appearance
- White to off-white lyophilized powder
- Solubility
- Soluble in water; reconstitute prior to use
- Storage
- 2-8 deg C, protect from light
- Country of origin
- USA
Sources & References
Peer-reviewed research
Indexed in NIH PubMed. Provided for research context; not a claim of clinical outcome.
CURRENT OPINION IN INVESTIGATIONAL DRUGS (LONDON, ENGLAND : 2000)
PT-141 Palatin
2004 · PMID 15134289
Hedlund P
View Source ↗—
Bremelanotide
2012 · PMID 34436837
—
View Source ↗DRUGS
Bremelanotide: First Approval
2019 · PMID 31429064
Dhillon S et al.
View Source ↗THE JOURNAL OF SEXUAL MEDICINE
An effect on the subjective sexual response in premenopausal women with sexual arousal disorder by bremelanotide (PT-141), a melanocortin receptor agonist
2006 · PMID 16839319
Diamond LE et al.
View Source ↗ANNALS OF THE NEW YORK ACADEMY OF SCIENCES
PT-141: a melanocortin agonist for the treatment of sexual dysfunction
2003 · PMID 12851303
Molinoff PB et al.
View Source ↗
⚠ Important research notice
PRODUCTS ARE INTENDED AS A RESEARCH CHEMICAL ONLY. This designation allows the use of research chemicals strictly for in vitro testing and laboratory experimentation only. All product information available on this website is for educational purposes only. Bodily introduction of any kind into humans or animals is strictly prohibited by law. Products should only be handled by licensed, qualified professionals. Products sold are not a drug, food, or cosmetic and may not be misbranded, misused or mislabeled as a drug, food, or cosmetic.
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