Methyl (S)-2-(4-(4-chlorophenyl)-2-(hydroxymethyl)-3,9-dimethyl-6H-thieno[3,2-f][1,2,4]triazolo[4,3-a][1,4]diazepin-6-yl)acetate CAS 916491-91-3

Purity 97%+In StockPharmaceutical Standards
CAS No.916491-91-3
Molecular FormulaC20H19ClN4O3S
Molecular Weight430.91 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

Methyl (S)-2-(4-(4-chlorophenyl)-2-(hydroxymethyl)-3,9-dimethyl-6H-thieno[3,2-f][1,2,4]triazolo[4,3-a][1,4]diazepin-6-yl)acetate CAS 916491-91-3 chemical structure

Description

Methyl (S)-2-(4-(4-chlorophenyl)-2-(hydroxymethyl)-3,9-dimethyl-6H-thieno[3,2-f][1,2,4]triazolo[4,3-a][1,4]diazepin-6-yl)acetate (CAS 916491-91-3) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C20H19ClN4O3S. Molecular weight: 430.91 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.

Physical & Chemical Properties

Molecular FormulaC20H19ClN4O3S
Molecular Weight430.91 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; Contains ester bond; hydrolyzes under strong alkaline conditions
Degree of Unsaturation (DBE)13.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1987
Halogen ContentCl-containing
Nitrogen Atoms4
Sulfur Atoms1

Recommended Standards

Why CATO?