Description

7-Allyl-2-Methyl-4-Oxo-4,7-Dihydrothieno[2,3-B]Pyridine-5-Carboxylic Acid is a high-purity, advanced pharmaceutical intermediate characterized by its unique fused heterocyclic structure. This compound is critical for the synthesis of novel active pharmaceutical ingredients (APIs), particularly in therapeutic areas requiring complex 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: Serves as a key building block in the synthesis of novel drug candidates, especially those targeting central nervous system (CNS) disorders and other specialized therapeutic areas.
• Organic Synthesis Research: Used in academic and industrial R&D laboratories for constructing complex thienopyridine-based heterocyclic systems.
• Medicinal Chemistry: Provides a versatile scaffold for structure-activity relationship (SAR) studies and lead optimization in drug discovery programs.
• Chemical Reference Standard: Employed as a high-purity analytical standard for quality control and method development in pharmaceutical analysis.
• Process Chemistry Development: Used in scaling up synthetic routes for pilot and commercial-scale API manufacturing.

Basic Information

Product Name	7-Allyl-2-Methyl-4-Oxo-4,7-Dihydrothieno[2,3-B]Pyridine-5-Carboxylic Acid
CAS No.	67637-73-4
Molecular Formula	C₁₃H₁₁NO₃S
Molecular Weight	261.30 g/mol
Synonyms	7-Allyl-2-methyl-4-oxo-4,7-dihydrothieno[2,3-b]pyridine-5-carboxylic acid; 4,7-Dihydro-7-allyl-2-methyl-4-oxothieno[2,3-b]pyridine-5-carboxylic Acid; Thieno[2,3-b]pyridine-5-carboxylic acid, 4,7-dihydro-7-(2-propen-1-yl)-2-methyl-4-oxo-; CAS 67637-73-4
EINECS	Contact for details

Quality Control

Our production of 7-Allyl-2-Methyl-4-Oxo-4,7-Dihydrothieno[2,3-B]Pyridine-5-Carboxylic Acid adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via spectroscopic methods, to ensure it meets the exacting standards required for pharmaceutical R&D and manufacturing. A detailed Certificate of Analysis (COA) is provided with each shipment, and we support compliance with relevant regulatory frameworks.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (15-25°C). Keep away from incompatible materials. For long-term storage, consider an inert atmosphere to preserve stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Purity (HPLC)	≥ 98.0%
Water Content (KF)	≤ 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.