(2r,3r,4s)-2,3,4-Trihydroxy-4-(2-phenyl-2h-1,2,3-triazol-4-yl)butyl 4-methylbenzenesulfonate CAS 289697-84-3

Purity 97%+In StockPharmaceutical Standards
CAS No.289697-84-3
Molecular FormulaC19H21N3O6S
Molecular Weight419.45 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

(2r,3r,4s)-2,3,4-Trihydroxy-4-(2-phenyl-2h-1,2,3-triazol-4-yl)butyl 4-methylbenzenesulfonate CAS 289697-84-3 chemical structure

Description

(2r,3r,4s)-2,3,4-Trihydroxy-4-(2-phenyl-2h-1,2,3-triazol-4-yl)butyl 4-methylbenzenesulfonate (CAS 289697-84-3) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C19H21N3O6S. Molecular weight: 419.45 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.

Physical & Chemical Properties

Molecular FormulaC19H21N3O6S
Molecular Weight419.45 g/mol
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)11.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2025
Nitrogen Atoms3
Sulfur Atoms1

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