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For laboratory research use only (RUO). Not for human consumption.

MC3/MC4 RECEPTOR AGONIST

PT-141 research10 mg vial, COA per batch

PT-141 (bremelanotide) is a synthetic heptapeptide and agonist of the melanocortin-3 and -4 receptors. In preclinical research it is studied for interaction with CNS pathways around sexual response and appetite regulation.

≥99% HPLC purity
COA per batch
EU cold-chain
Shipped within 48h

What is PT-141?

PT-141 is a metabolite analogue of melanotan-II, re-engineered for selective MC3R/MC4R activation without significant melanogenic activity.

In animal models researchers study its interaction with hypothalamic MC4R pathways and dopaminergic signalling.

Research domains

MC3R/MC4R receptor interaction
CNS pathways for sexual response (preclinical)
Appetite and energy-balance models
Dopaminergic signalling studies

Product specifications

Substance name
Bremelanotide (PT-141)
Form
Lyophilised powder
Amount per vial
10 mg
Purity
≥99% (HPLC)
Molecular weight
1025.18 g/mol
Sequence
Ac-Nle-cyclo[Asp-His-D-Phe-Arg-Trp-Lys]-OH
CAS number
189691-06-3
Storage
2–8°C, protected from light

Reconstitution & storage

2 ml of bacteriostatic water gives 5 mg/ml. Store at 2–8°C for up to 28 days.

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Lab report & batch verification

Every batch of PT-141 is independently analysed via HPLC and mass spectrometry. The Certificate of Analysis (COA) can be requested per batch ID by email and states purity, MW confirmation and residual solvents.

View all lab results

Shipping & storage

48h shipping

Orders placed before 15:00 CET ship the same business day from België.

Cold-chain

Insulated packaging with gel packs maintains 2–8°C for up to 72 hours.

Tracked & signed

Door-to-door tracking and signature on delivery, EU-wide.

Frequently asked questions about PT-141

Melanotan-2 mainly activates MC1R (pigmentation) alongside MC3/4R; PT-141 is optimised for MC3/4R and has little pigmentation effect in research.

Other research peptides

Ready to order PT-141?

10 mg vial, COA per batch, cold-chain shipped from België — usually delivered the next business day.

Order PT-141