3-[(3R,4R)-6-Bromo-3-(hydroxymethyl)-3,4-dihydro-2H-1-benzopyran-4-yl]-3-methyl-1-(4-nitrophenyl)thiourea CAS 321521-55-5

Purity 97%+In StockPharmaceutical Standards
CAS No.321521-55-5
Molecular FormulaC18H18BrN3O4S
Molecular Weight452.32 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

3-[(3R,4R)-6-Bromo-3-(hydroxymethyl)-3,4-dihydro-2H-1-benzopyran-4-yl]-3-methyl-1-(4-nitrophenyl)thiourea CAS 321521-55-5 chemical structure

Description

3-[(3R,4R)-6-Bromo-3-(hydroxymethyl)-3,4-dihydro-2H-1-benzopyran-4-yl]-3-methyl-1-(4-nitrophenyl)thiourea (CAS 321521-55-5) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C18H18BrN3O4S. Molecular weight: 452.32 g/mol. Each batch is supplied with a Certificate of Analysis (COA).

Physical & Chemical Properties

Molecular FormulaC18H18BrN3O4S
Molecular Weight452.32 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)11.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2025
Halogen ContentBr-containing
Nitrogen Atoms3
Sulfur Atoms1

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