For laboratory research use only. Not for human or animal consumption.
BioIntegrityPeptide Research
Current lot>99.1% purity

Melanotan II

Analytical results for lot MEL215N0126 (15 mL Advanced Liquid Peptide Spray), third-party tested by AxisPharm, LLC and reported 2026-01-08.

Analytical results for lot MEL215N0126
AssayMethodResult
PurityHPLC-UV (208 nm)>99.1%
IdentityLC-MS (ESI+)1026.5 [M+H]

Lot record

Lot numberMEL215N0126
CompoundMelanotan II
Format15 mL Advanced Liquid Peptide Spray
Label claim15 mg
Measured content13.9 mg
Expected mass1024.18 g/mol
Report date2026-01-08
Sample received2026-01-06
Manufactured2026-01
Best before2027-01
ManufactureGMP-compliant peptide manufacturing facility, United States
Third-party analysisAxisPharm, LLC
StatusCurrent — in stock

How to read these results

HPLC purity is the share of the peptide material that is the target sequence. The mass spectrometry result confirms it is the right molecule. Measured content is compared against the label claim, and endotoxin is reported only where the laboratory tested for it.

How to read a certificate of analysis →HPLC purity vs. mass spec identityGlossary of terms

Compound

A cyclic α-MSH analogue studied as a non-selective melanocortin receptor agonist.

Melanotan II specification →

The certificate for this lot

The results above are published in full. The certificate itself is the testing laboratory’s document, and we supply it per batch rather than as a public download — so a certificate can only ever travel with the material it describes. If you hold or are purchasing lot MEL215N0126, request it and we will send it.

Request the certificate for MEL215N0126 →

All compounds supplied by BioIntegrity are intended strictly for laboratory research and educational use. Not for human or animal consumption. Not for diagnostic, therapeutic, or clinical use. No statement on this website has been evaluated by the Food and Drug Administration. Purchaser affirms that products are acquired solely for legitimate laboratory research and assumes full responsibility for lawful handling, storage, and disposal.