4-[1-Methyl-5-(2,2,2-trichloroacetyl)-1H-pyrrol-3-yl]-4-oxo-2-butenoic acid CAS 338395-79-2

Purity 97%+In StockPharmaceutical Standards
CAS No.338395-79-2
Molecular FormulaC11H8Cl3NO4
Molecular Weight324.54 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

4-[1-Methyl-5-(2,2,2-trichloroacetyl)-1H-pyrrol-3-yl]-4-oxo-2-butenoic acid CAS 338395-79-2 chemical structure

Description

CATO supplies 4-[1-Methyl-5-(2,2,2-trichloroacetyl)-1H-pyrrol-3-yl]-4-oxo-2-butenoic acid (CAS 338395-79-2), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C11H8Cl3NO4. Molecular weight: 324.54 g/mol. Batch-specific COA and technical support are available on request.

Physical & Chemical Properties

Molecular FormulaC11H8Cl3NO4
Molecular Weight324.54 g/mol
AppearanceOff-white to pale yellow crystalline powder. (slight halide-like odor, low volatility)
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; Contains ester bond; hydrolyzes under strong alkaline conditions
Degree of Unsaturation (DBE)7.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2025
Halogen ContentCl-containing
Nitrogen Atoms1

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