Description

Ethyl 4-Hydroxy-7-Isopropyl-6-Oxo-6,7-Dihydrothieno[2,3-B]Pyridine-5-Carboxylate (Wxg00333) is a high-purity, advanced pharmaceutical intermediate characterized by its complex fused heterocyclic structure. This compound is critical for the synthesis of novel active pharmaceutical ingredients (APIs), particularly in therapeutic areas requiring targeted molecular scaffolds. It is primarily utilized by research institutions and pharmaceutical manufacturers engaged in the development of new chemical entities and proprietary drug candidates.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of novel drug candidates, particularly in medicinal chemistry research.
• API Development: Serves as a core scaffold for the development of new Active Pharmaceutical Ingredients (APIs) with potential therapeutic applications.
• Organic Synthesis Research: Used in academic and industrial R&D for constructing complex heterocyclic systems and studying structure-activity relationships (SAR).
• Preclinical & Clinical Trial Material: Supplied for the production of materials required for non-clinical studies and clinical trial batches.
• Contract Manufacturing: Sourced by CDMOs (Contract Development and Manufacturing Organizations) for custom synthesis projects.

Basic Information

Product Name	Ethyl 4-Hydroxy-7-Isopropyl-6-Oxo-6,7-Dihydrothieno[2,3-B]Pyridine-5-Carboxylate (Wxg00333)
CAS No.	869493-45-8
Molecular Formula	C13H15NO4S
Molecular Weight	281.33 g/mol
Synonyms	WXG00333; Ethyl 4-hydroxy-7-(propan-2-yl)-6-oxo-6,7-dihydrothieno[2,3-b]pyridine-5-carboxylate; 5-Thieno[2,3-b]pyridinecarboxylic acid, 4-hydroxy-7-(1-methylethyl)-6-oxo-6,7-dihydro-, ethyl ester; 869493-45-8; 7-Isopropyl-4-hydroxy-6-oxo-6,7-dihydrothieno[2,3-b]pyridine-5-carboxylic acid ethyl ester
EINECS	Contact for details

Quality Control

Our Ethyl 4-Hydroxy-7-Isopropyl-6-Oxo-6,7-Dihydrothieno[2,3-B]Pyridine-5-Carboxylate is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets the stringent requirements for pharmaceutical R&D and manufacturing. A Certificate of Analysis (COA) detailing all test results is provided with each shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (15-25°C). Keep away from incompatible materials. The container must be kept tightly closed to protect from moisture.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Related Substances (HPLC)	Total impurities ≤ 2.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.