Description

7-(1-Carboxyethyl)-2-Methyl-4-Oxo-4,7-Dihydrothieno[2,3-B]Pyridine-5-Carboxylic Acid is a high-purity, advanced pharmaceutical intermediate with a complex heterocyclic structure. This compound is valued for its role as a critical building block in the synthesis of novel active pharmaceutical ingredients (APIs), particularly in therapeutic areas requiring sophisticated molecular architectures. It is primarily sought after by research institutions and manufacturers in the pharmaceutical and fine chemical industries engaged in drug discovery and development programs.

Application

• Pharmaceutical Intermediate: Serves as a key precursor in the synthesis of complex drug molecules, particularly those with thienopyridine cores.
• Research & Development: Used in medicinal chemistry for the discovery and optimization of new chemical entities with potential biological activity.
• Fine Chemical Synthesis: Employed in multi-step organic synthesis to construct advanced, functionalized heterocyclic compounds.
• API Manufacturing: A crucial building block in the production route for specific target Active Pharmaceutical Ingredients.
• Chemical Reference Standard: Can be supplied as a high-purity standard for analytical method development and quality control.

Basic Information

Product Name	7-(1-Carboxyethyl)-2-Methyl-4-Oxo-4,7-Dihydrothieno[2,3-B]Pyridine-5-Carboxylic Acid
CAS No.	67637-75-6
Molecular Formula	C13H11NO5S
Molecular Weight	293.29 g/mol
Synonyms	2-Methyl-7-(1-carboxyethyl)-4-oxo-4,7-dihydrothieno[2,3-b]pyridine-5-carboxylic acid; 7-(1-Carboxyethyl)-2-methyl-4-oxo-4H,7H-thieno[2,3-b]pyridine-5-carboxylic acid; Thieno[2,3-b]pyridine-5-carboxylic acid, 7-(1-carboxyethyl)-4,7-dihydro-2-methyl-4-oxo-; CAS 67637-75-6
EINECS	Contact for details

Quality Control

Our production of 7-(1-Carboxyethyl)-2-Methyl-4-Oxo-4,7-Dihydrothieno[2,3-B]Pyridine-5-Carboxylic Acid adheres to stringent quality management protocols to ensure batch-to-batch consistency and high purity. The material is characterized and released using advanced analytical techniques including HPLC, NMR, and mass spectrometry. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with each shipment to support your quality and regulatory requirements.

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 the container tightly sealed to protect from moisture.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Assay (HPLC)	≥ 98.0%
Related Substances (HPLC)	Total impurities ≤ 2.0% Any single impurity ≤ 1.0%
Residual Solvents (GC)	Complies with ICH guidelines
Loss on Drying	≤ 0.5%

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