Methyl (2S,4R)-5-(4-aminophenyl)-4-((tert-butoxycarbonyl)amino)-2-methylpentanoate CAS 1621879-69-3

Purity 97%+In StockPharmaceutical Standards
CAS No.1621879-69-3
Molecular FormulaC18H28N2O4
Molecular Weight336.43 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

Methyl (2S,4R)-5-(4-aminophenyl)-4-((tert-butoxycarbonyl)amino)-2-methylpentanoate CAS 1621879-69-3 chemical structure

Description

Methyl (2S,4R)-5-(4-aminophenyl)-4-((tert-butoxycarbonyl)amino)-2-methylpentanoate (CAS 1621879-69-3) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C18H28N2O4. Molecular weight: 336.43 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.

Physical & Chemical Properties

Molecular FormulaC18H28N2O4
Molecular Weight336.43 g/mol
AppearanceOff-white to pale yellow crystalline powder
Purity97%+
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)6.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1993
Nitrogen Atoms2

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