4-(1-Ethyl-1H-pyrrol-2-yl)-2-hydroxy-4-oxobut-2-enoic acid CAS 251923-31-6

Purity 97%+In StockPharmaceutical Standards
CAS No.251923-31-6
Molecular FormulaC10H11NO4
Molecular Weight209.20 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

4-(1-Ethyl-1H-pyrrol-2-yl)-2-hydroxy-4-oxobut-2-enoic acid CAS 251923-31-6 chemical structure

Description

4-(1-Ethyl-1H-pyrrol-2-yl)-2-hydroxy-4-oxobut-2-enoic acid (CAS 251923-31-6) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C10H11NO4. Molecular weight: 209.20 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.

Physical & Chemical Properties

Molecular FormulaC10H11NO4
Molecular Weight209.20 g/mol
AppearanceOff-white to pale yellow crystalline powder. (faint amine-like odor)
Purity97%+
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
Degree of Unsaturation (DBE)6.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2025
Nitrogen Atoms1

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