Ethyl 4-(3-amino-4,6-dimethylthieno[2,3-b]pyridine-2-carboxamido)benzoate CAS 333329-21-8

Purity 97%+In StockPharmaceutical Standards
CAS No.333329-21-8
Molecular FormulaC19H19N3O3S
Molecular Weight369.44 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

Ethyl 4-(3-amino-4,6-dimethylthieno[2,3-b]pyridine-2-carboxamido)benzoate CAS 333329-21-8 chemical structure

Description

The occurrence of Ethyl 4-(3-amino-4,6-dimethylthieno[2,3-b]pyridine-2-carboxamido)benzoate is closely related to a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.

Ethyl 4-(3-amino-4,6-dimethylthieno[2,3-b]pyridine-2-carboxamido)benzoate (CAS 333329-21-8), molecular formula C19H19N3O3S and molecular weight 369.44 g/mol, is a CATO reference standard with documented purity and traceability.

Owing to a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, Ethyl 4-(3-amino-4,6-dimethylthieno[2,3-b]pyridine-2-carboxamido)benzoate is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 369.44 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.

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

CATO manufactures Ethyl 4-(3-amino-4,6-dimethylthieno[2,3-b]pyridine-2-carboxamido)benzoate 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 FormulaC19H19N3O3S
Molecular Weight369.44 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
Degree of Unsaturation (DBE)12.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2025
Nitrogen Atoms3
Sulfur Atoms1

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