Ethyl 2-(2-chloroacetamido)-5,6-dihydro-4H-cyclopenta[b]thiophene-3-carboxylate CAS 203385-15-3

Purity 97%+In StockPharmaceutical Standards
CAS No.203385-15-3
Molecular FormulaC12H14ClNO3S
Molecular Weight287.76 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

Ethyl 2-(2-chloroacetamido)-5,6-dihydro-4H-cyclopenta[b]thiophene-3-carboxylate CAS 203385-15-3 chemical structure

Description

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

CATO supplies Ethyl 2-(2-chloroacetamido)-5,6-dihydro-4H-cyclopenta[b]thiophene-3-carboxylate (CAS 203385-15-3), a certified reference material (molecular formula C12H14ClNO3S, MW 287.76 g/mol) for analytical method development and quality control.

Based on its molecular formula C12H14ClNO3S, Ethyl 2-(2-chloroacetamido)-5,6-dihydro-4H-cyclopenta[b]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 287.76 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.

As a certified reference material (CRM), Ethyl 2-(2-chloroacetamido)-5,6-dihydro-4H-cyclopenta[b]thiophene-3-carboxylate meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.

Physical & Chemical Properties

Molecular FormulaC12H14ClNO3S
Molecular Weight287.76 g/mol
Purity97%+
StorageStore at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation
Solubility (reference)Soluble in chloroform, dichloromethane, ethyl acetate, 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)6.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2015
Halogen ContentCl-containing
Nitrogen Atoms1
Sulfur Atoms1

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