N-[(E)-2-(Benzenesulfonyl)-2-(6-chloropyridin-3-yl)ethenyl]-4-methoxyaniline CAS 478048-55-4

Purity 97%+In StockPharmaceutical Standards
CAS No.478048-55-4
Molecular FormulaC20H17ClN2O3S
Molecular Weight400.88 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

N-[(E)-2-(Benzenesulfonyl)-2-(6-chloropyridin-3-yl)ethenyl]-4-methoxyaniline CAS 478048-55-4 chemical structure

Description

CATO supplies N-[(E)-2-(Benzenesulfonyl)-2-(6-chloropyridin-3-yl)ethenyl]-4-methoxyaniline (CAS 478048-55-4), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C20H17ClN2O3S. Molecular weight: 400.88 g/mol. Batch-specific COA and technical support are available on request.

Physical & Chemical Properties

Molecular FormulaC20H17ClN2O3S
Molecular Weight400.88 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.)2025
Halogen ContentCl-containing
Nitrogen Atoms2
Sulfur Atoms1

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