Ethyl 2-(2-chloroacetamido)-4-methyl-5-(phenylcarbamoyl)thiophene-3-carboxylate CAS 303136-32-5

Purity 97%+In StockPharmaceutical Standards
CAS No.303136-32-5
Molecular FormulaC17H17ClN2O4S
Molecular Weight380.85 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

Ethyl 2-(2-chloroacetamido)-4-methyl-5-(phenylcarbamoyl)thiophene-3-carboxylate CAS 303136-32-5 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 380.85 g/mol gives Ethyl 2-(2-chloroacetamido)-4-methyl-5-(phenylcarbamoyl)thiophene-3-carboxylate distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

Ethyl 2-(2-chloroacetamido)-4-methyl-5-(phenylcarbamoyl)thiophene-3-carboxylate (CAS 303136-32-5) is a high-purity analytical reference standard with the molecular formula C17H17ClN2O4S and a molecular weight of 380.85 g/mol.

Owing to a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, chlorine substitution, Ethyl 2-(2-chloroacetamido)-4-methyl-5-(phenylcarbamoyl)thiophene-3-carboxylate is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 380.85 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.

This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.

CATO manufactures Ethyl 2-(2-chloroacetamido)-4-methyl-5-(phenylcarbamoyl)thiophene-3-carboxylate under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.

Physical & Chemical Properties

Molecular FormulaC17H17ClN2O4S
Molecular Weight380.85 g/mol
Purity97%+
StorageStore at 2-8°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)10.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2025
Halogen ContentCl-containing
Nitrogen Atoms2
Sulfur Atoms1

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