SMI-4a CAS 438190-29-5

Purity 97%+In StockPharmaceutical Standards
CAS No.438190-29-5
Molecular FormulaC11H6F3NO2S
Molecular Weight273.23 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

SMI-4a CAS 438190-29-5 chemical structure

Description

SMI-4a (CAS 438190-29-5) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C11H6F3NO2S. Molecular weight: 273.23 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.

Physical & Chemical Properties

Molecular FormulaC11H6F3NO2S
Molecular Weight273.23 g/mol
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)8.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2025
Halogen ContentF-containing
Nitrogen Atoms1
Sulfur Atoms1

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