(2S,3R)-2-((S)-2-(2,3-Dihydroxybenzamido)-5-guanidinopentanamido)-3-hydroxybutanoic acid CAS 143651-45-0

Purity 97%+In StockPharmaceutical Standards
CAS No.143651-45-0
Molecular FormulaC17H25N5O7
Molecular Weight411.41 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

(2S,3R)-2-((S)-2-(2,3-Dihydroxybenzamido)-5-guanidinopentanamido)-3-hydroxybutanoic acid CAS 143651-45-0 chemical structure

Description

(2S,3R)-2-((S)-2-(2,3-Dihydroxybenzamido)-5-guanidinopentanamido)-3-hydroxybutanoic acid (CAS 143651-45-0) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C17H25N5O7. Molecular weight: 411.41 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.

Physical & Chemical Properties

Molecular FormulaC17H25N5O7
Molecular Weight411.41 g/mol
AppearancePale yellow to yellow crystalline powder
Purity97%+
StorageStore in a cool place (≤25°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)8.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1998
Nitrogen Atoms5

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