Peptide Analogs

PT-141

Also catalogued as: Bremelanotide · Cyclo[L-aspartyl-L-histidyl-D-phenylalanyl-L-arginyl-L-tryptophyl-L-lysyl]-L-norleucinamide

Synthetic cyclic heptapeptide derived from an α-melanocyte-stimulating-hormone sequence analog.

Size

Purity 99.21% — lowest of 3 laboratories · lot DEMO-68C43652B7 · 10mg certificates →

For in-vitro laboratory research by qualified professionals. Not for human or veterinary use.

Specifications

INN
Bremelanotide
IUPAC / systematic name
Cyclo[L-aspartyl-L-histidyl-D-phenylalanyl-L-arginyl-L-tryptophyl-L-lysyl]-L-norleucinamide
Chemical class
Cyclic Heptapeptide
CAS registry
189691-06-3 · PubChem
Molecular weight
1,025.2 g/mol
Amino acids
7
Form
Lyophilized powder
Structure note
Lactam-cyclized peptide; C-terminal amide

Quality documentation

Certificates on record for this compound-size. Purity is the lowest reported figure. Three laboratories release a size.

10mg
lot DEMO-68C43652B7 · purity 99.21% · 3 of 3 certificates

Intended use

For in-vitro laboratory research by qualified professionals. Not for human or veterinary use of any kind — not a drug, food, cosmetic or supplement. The buyer is responsible for lawful handling, storage and disposal.

Researchers should consult the primary scientific literature for published experimental protocols and conditions relevant to their specific in-vitro or laboratory applications.

Certificates of analysis

Per size, per lot — three laboratories each.

10mg · lot DEMO-68C43652B7

Aegis Analytical

Purity 99.21%

Lot DEMO-68C43652B7 · tested 2026-09-03

Legacy record — file not on record

Certus Diagnostics

Purity 99.22%

Lot DEMO-68C43652B7 · tested 2026-09-03

Legacy record — file not on record

Meridian Bioassay

Purity 99.23%

Lot DEMO-68C43652B7 · tested 2026-09-03

Legacy record — file not on record