1. Core Product Specifications

Product Name: PT141
Generic Name: Bremelanotide
CAS No.: 189691-06-3 (Free acid form); 1607799-13-2 (Bremelanotide Acetate, mainstream research grade)
Peptide Type: Synthetic cyclic melanocortin peptide, MC4R selective agonist
Amino Acid Sequence: cyclo(-Asp-His-D-Phe-Arg-Trp-Lys-)
Molecular Formula: C??H??N??O?? (Calculated based on free acid form)
Molecular Weight: 1025.16 Da
Appearance: White to off-white lyophilized crystalline powder, odorless, non-caking, uniform color and high purity
Purity: ≥98.0% (HPLC tested, pharmaceutical & research grade)
Form: Free acid / Acetate salt (acetate form is more common for better stability)
Moisture Content: ≤2.0%
Heavy Metals: ≤10ppm
Endotoxin: ≤0.1EU/mg
Residue on Ignition: ≤0.1%
Solubility: Freely soluble in pure water and aqueous buffer solutions, clear and stable solution without precipitation
Transport Condition: Room temperature light-proof transportation
Storage Condition: Long-term storage of dry powder at -20℃ sealed, dry and dark; aliquot liquid solution and store at -20℃, strictly avoid repeated freeze-thaw cycles
Production Technology: Standard solid-phase peptide synthesis (SPPS), precise cyclization modification, multi-stage high-precision HPLC purification, low-temperature vacuum freeze-drying technology
Core Bioactivity: Selective MC4R agonist, neuroendocrine regulation, sexual function modulation, energy metabolism regulation
Shelf Life: 24 months under standard -20℃ sealed and dry storage conditions
Usage Restriction: For scientific research and preclinical drug development only, not for human clinical diagnosis or treatment

Our products are widely exported to customers in Europe, the United States, Australia and other countries and regions, and are recognized and trusted by users worldwide. We also welcome OEM and ODM orders. We look forward to your every visit and welcome both new and old customers to contact us to establish future business relationships and achieve mutual success together!

our advantage:

Why choose our company

1. Quality

Each batch of our products will undergo corresponding quality inspections to ensure that the purity is above 99% before it is put on the market for sale, and there are corresponding test reports for reference.

2. Packaging

We can package according to customer requirements and customize products.

3. Price

We are a company combining industry and trade，so we can provide competitive prices and high-quality products.

4. Transportation

Door to door, we are responsible for door-to-door delivery, do not require you to have any customs clearance ability.

5.After-sales service

We guarantee the arrival of the goods. If the goods do not arrive due to force majeure, we will refund in full or reissue the goods for you.