(3AS,9bR)-8-bromo-1-methyl-1,3a,4,9b-tetrahydro-3H-chromeno[4,3-c]isoxazole CAS 321574-26-9

Purity 97%+In StockPharmaceutical Standards
CAS No.321574-26-9
Molecular FormulaC11H12BrNO2
Molecular Weight270.12 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

(3AS,9bR)-8-bromo-1-methyl-1,3a,4,9b-tetrahydro-3H-chromeno[4,3-c]isoxazole CAS 321574-26-9 chemical structure

Description

(3AS,9bR)-8-bromo-1-methyl-1,3a,4,9b-tetrahydro-3H-chromeno[4,3-c]isoxazole (CAS 321574-26-9) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C11H12BrNO2. Molecular weight: 270.12 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.

Physical & Chemical Properties

Molecular FormulaC11H12BrNO2
Molecular Weight270.12 g/mol
AppearanceOff-white to pale yellow crystalline powder. (slight halide-like odor)
Purity97%+
StorageStore at 2-8°C, protect from light, keep tightly closed to prevent evaporation
Solubility (reference)Soluble in chloroform, dichloromethane, ethyl acetate, DMSO
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions
Degree of Unsaturation (DBE)6.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2025
Halogen ContentBr-containing
Nitrogen Atoms1

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