Description

(3-Methyl-4-Oxo-3,4,5,6,7,8-Hexahydro-Benzo-[4,5]Thieno[2,3-D]Pyrimidin-2-Ylsulfanyl)Acetic Acid is a high-purity, advanced pharmaceutical intermediate characterized by its unique fused heterocyclic structure. This compound is of significant commercial interest for its role as a key building block in the synthesis of complex active pharmaceutical ingredients (APIs). It is primarily sought by research institutions and manufacturers in the pharmaceutical and fine chemical sectors engaged in developing novel therapeutic agents.

Application

• Pharmaceutical Intermediate: A critical precursor in the multi-step synthesis of proprietary drug candidates, particularly those targeting central nervous system (CNS) disorders.
• Organic Synthesis Building Block: Used in research and development for constructing complex polycyclic molecular architectures due to its reactive thioether and carboxylic acid functionalities.
• Medicinal Chemistry Research: Serves as a scaffold for structure-activity relationship (SAR) studies in the discovery of new enzyme inhibitors or receptor modulators.
• Fine Chemical Production: Employed in the manufacture of specialty chemicals requiring a high degree of molecular complexity and purity.

Basic Information

Product Name	(3-Methyl-4-Oxo-3,4,5,6,7,8-Hexahydro-Benzo-[4,5]Thieno[2,3-D]Pyrimidin-2-Ylsulfanyl)Acetic Acid
CAS No.	59898-74-7
Molecular Formula	C₁₄H₁₄N₂O₃S₂
Molecular Weight	322.40 g/mol
Synonyms	2-[(3-Methyl-4-oxo-3,4,5,6,7,8-hexahydrobenzo[4,5]thieno[2,3-d]pyrimidin-2-yl)thio]acetic acid; 2-({3-Methyl-4-oxo-3,4,5,6,7,8-hexahydro-1H-benzo[4,5]thieno[2,3-d]pyrimidin-2-yl}sulfanyl)acetic acid; (3-Methyl-4-oxo-3,4,5,6,7,8-hexahydro-1H-benzo[4,5]thieno[2,3-d]pyrimidin-2-yl)sulfanylacetic acid; CAS 59898-74-7; Thienopyrimidine acetic acid derivative; Hexahydrobenzothienopyrimidine acetic acid
EINECS	Contact for details

Quality Control

Our production of (3-Methyl-4-Oxo-3,4,5,6,7,8-Hexahydro-Benzo-[4,5]Thieno[2,3-D]Pyrimidin-2-Ylsulfanyl)Acetic Acid adheres to stringent quality management systems. 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. Certificates of Analysis (COA) documenting all critical quality attributes are 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 such as strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Purity (HPLC)	≥ 98.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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