Sulfadoxine impurity 4 CAS 5018-23-5

Purity >95%In StockPharmacopoeial Impurity Standards
CAS No.5018-23-5
Molecular FormulaC11H11ClN4O3S
Molecular Weight314.75 g/mol
CategoryPharmacopoeial Impurity Standards / EP Impurities
AvailabilityIn Stock

Chemical Structure

Sulfadoxine impurity 4 CAS 5018-23-5 chemical structure

Description

CATO supplies Sulfadoxine impurity 4 (CAS 5018-23-5), a pharmacopoeial impurity standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C11H11ClN4O3S. Molecular weight: 314.75 g/mol. Batch-specific COA and technical support are available on request.

Physical & Chemical Properties

Molecular FormulaC11H11ClN4O3S
Molecular Weight314.75 g/mol
Purity>95%
StorageStore at 2-8°C, protect from light, keep sealed and dry
Solubility (reference)Soluble in methanol, ethanol, DMSO
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)8.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1958
Halogen ContentCl-containing
Nitrogen Atoms4
Sulfur Atoms1

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