Description

7-Benzyl-5-Oxo-4,5-Dihydrothieno[3,2-B]Pyridine-3-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 essential for research institutions, CROs, and pharmaceutical manufacturers engaged in the development of new drug candidates.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of complex drug molecules, especially those targeting specific enzymatic pathways.
• Organic Synthesis Building Block: Used in research-scale and process chemistry for constructing novel thienopyridine-based heterocycles.
• Medicinal Chemistry Research: Serves as a core scaffold for structure-activity relationship (SAR) studies in drug discovery programs.
• API Development: Integral to the development and scale-up of new Active Pharmaceutical Ingredients (APIs) requiring this specific fused-ring system.
• Chemical Reference Standard: Used as a high-purity standard for analytical method development and quality control in pharmaceutical manufacturing.

Basic Information

Product Name	7-Benzyl-5-Oxo-4,5-Dihydrothieno[3,2-B]Pyridine-3-Carboxylic Acid
CAS No.	1251033-18-7
Molecular Formula	C16H13NO3S
Molecular Weight	299.35 g/mol
Synonyms	7-Benzyl-5-oxo-4,5-dihydrothieno[3,2-b]pyridine-3-carboxylic acid; Thieno[3,2-b]pyridine-3-carboxylic acid, 4,5-dihydro-7-(phenylmethyl)-5-oxo-; 7-Benzyl-5-oxo-4,5-dihydrothieno[3,2-b]pyridine-3-carboxylate (acid form); 1251033-18-7; 7-Benzyl-5-oxo-4,5-dihydrothieno[3,2-b]pyridine-3-carboxylic acid (IUPAC); 7-(Phenylmethyl)-5-oxo-4,5-dihydrothieno[3,2-b]pyridine-3-carboxylic acid
EINECS	Contact for details

Quality Control

Our 7-Benzyl-5-Oxo-4,5-Dihydrothieno[3,2-B]Pyridine-3-Carboxylic Acid is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets the high standards required for pharmaceutical R&D and production. A comprehensive Certificate of Analysis (COA) detailing purity, impurities, and physical characteristics 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 room temperature (15-25°C). Keep away from strong acids and incompatible organic solvents. For long-term storage, consider inert atmosphere conditions to ensure product stability.

Specification

Item	Specification
Appearance	White to off-white 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%
Heavy Metals	≤ 10 ppm

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