Acetyl-α-MSH (11-13) CAS 57899-96-4

Purity >95%In StockPharmaceutical Standards
CAS No.57899-96-4
Molecular FormulaC18H33N5O4
Molecular Weight383.49 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

Acetyl-α-MSH (11-13) CAS 57899-96-4 chemical structure

Description

Acetyl-α-MSH (11-13) (CAS 57899-96-4) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C18H33N5O4. Molecular weight: 383.49 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.

Physical & Chemical Properties

Molecular FormulaC18H33N5O4
Molecular Weight383.49 g/mol
AppearanceOff-white to pale yellow crystalline powder
Purity>95%
StorageStore at 2-8°C, protect from light, keep sealed and dry
Solubility (reference)Soluble in DMSO, DMF, methanol
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)5.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1973
Nitrogen Atoms5

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