Ethyl 2-(2-chloroacetamido)-4-(p-tolyl)thiophene-3-carboxylate CAS 138098-81-4

Purity 97%+In StockPharmaceutical Standards
CAS No.138098-81-4
Molecular FormulaC16H16ClNO3S
Molecular Weight337.82 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

Ethyl 2-(2-chloroacetamido)-4-(p-tolyl)thiophene-3-carboxylate CAS 138098-81-4 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 337.82 g/mol gives Ethyl 2-(2-chloroacetamido)-4-(p-tolyl)thiophene-3-carboxylate distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

Ethyl 2-(2-chloroacetamido)-4-(p-tolyl)thiophene-3-carboxylate (CAS 138098-81-4) is a high-purity analytical reference standard with the molecular formula C16H16ClNO3S and a molecular weight of 337.82 g/mol.

Based on its molecular formula C16H16ClNO3S, Ethyl 2-(2-chloroacetamido)-4-(p-tolyl)thiophene-3-carboxylate contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 337.82 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.

Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.

The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.

Physical & Chemical Properties

Molecular FormulaC16H16ClNO3S
Molecular Weight337.82 g/mol
Purity97%+
StorageStore at 2-8°C, protect from light, keep sealed and dry
Solubility (reference)Soluble in chloroform, dichloromethane, ethyl acetate, DMSO
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions
Degree of Unsaturation (DBE)9.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1996
Halogen ContentCl-containing
Nitrogen Atoms1
Sulfur Atoms1

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