PT-141
PT-141
Research this compound
For research use only. Not for human consumption.
Identity, storage, and what ships.
The technical record. Identity rows reflect literature-cited values for this compound; storage rows describe the conditions under which Nexara holds and ships the lyophilized form.
Identity
- Appearance
- White lyophilized powder
- Molecular Formula
- C50H68N14O10
- Molecular Weight
- 1,025.18 g/mol
- CAS Number
- 189691-06-3
- Sequence
- Ac-Nle-cyclo[Asp-His-D-Phe-Arg-Trp-Lys]-OH
- Synonyms
- Bremelanotide, PT-141
- Purity
- ≥99%
Storage profile
- Storage (Lyophilized)
- -20°C (long-term), 2-8°C up to 30 days (short-term)
- Storage (Reconstituted)
- 2-8°C
- Shelf Life (Lyophilized)
- 24 months at -20°C
- Shelf Life (Reconstituted)
- Up to 28 days at 2-8°C
- Reconstitution
- Bacteriostatic water (0.9% benzyl alcohol) for research reconstitution
- Handling
- Light-sensitive. Store in opaque container and protect from direct light during handling. Avoid repeated freeze-thaw cycles.
Shipment
- —1x lyophilized vial (10mg)
- —Certificate of Analysis (upon request)
- —Storage instructions
Studied research areas.
Each item below names a domain in which PT-141 has been investigated in published research. Listed for context — not as a use recommendation.
- 01Melanocortin receptor signaling research
- 02MC3R/MC4R pathway studies
- 03Central melanocortin system analysis
- 04Receptor agonist binding dynamics
Held to research-grade quality standards.
Every batch is held to research-grade quality standards before it ships. Each vial is labeled with its batch identifier so that fulfillment can be traced through the order record. For our research-use-only posture, see the Research Compliance page.
Common questions for PT-141.
For research use only. Not for human consumption.
These products are not intended to diagnose, treat, cure, or prevent any disease. They are sold strictly as research chemicals for laboratory use.
Fulfillment: Orders ship from Texas via USPS within 2 weeks of payment confirmation. You'll receive tracking by email when your package leaves our facility.
Researcher reviews
Reviews open as orders are delivered.
Only researchers who've received an order of this compound can submit a review. Submitted text is screened for compliant language before publication. No anonymous testimonials, no AI-generated copy.
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Reference reading on PT-141 and adjacent topics.
- 3 min
Compound profile
PT-141: Compound Profile
A research profile of PT-141, a cyclic melanocortin peptide that preferentially engages the MC3R and MC4R receptors: identity, the receptor mechanism, and its relationship to Melanotan-2.
- 4 min
Foundational
Melanocortin-System Peptides: A Research Overview
How the melanocortin peptide class is studied: PT-141 and Melanotan-2, the melanocortin receptor family (MC1R–MC5R) they act on, and what the receptor-signaling literature examines.
- 2 min
Melanocortin-System Peptides: A Research Overview
The Melanocortin Receptors Explained: MC1R Through MC5R
A research map of the five melanocortin receptors (MC1R–MC5R): the pathway each is tied to, and which melanocortin peptides preferentially engage which subtype.
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