Description

(4-Oxo-3-Phenyl-3,4,5,6,7,8-Hexahydro-Benzo[4,5]-Thieno[2,3-D]Pyrimidin-2-Ylsulfanyl)-Acetic Acid is a high-purity, complex heterocyclic building block with a fused benzothienopyrimidine core. This compound is valued for its role as a critical synthetic intermediate in advanced pharmaceutical research and development. It is primarily sought after by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and fine chemical industries for constructing novel active molecules.

Application

• Pharmaceutical Intermediate: Serves as a key precursor in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders, oncology, and anti-inflammatory pathways.
• Agrochemical Research: Used in the development of new herbicides, fungicides, and insecticides, leveraging its complex heterocyclic structure for bioactivity.
• Material Science: Potential building block for organic electronic materials and specialty polymers due to its fused aromatic system.
• Academic & Contract Research: Essential for medicinal chemistry programs in universities and CROs (Contract Research Organizations) exploring new chemical entities.
• Chemical Biology Probe Development: Utilized in creating tool compounds for studying biological pathways and target validation.

Basic Information

Product Name	(4-Oxo-3-Phenyl-3,4,5,6,7,8-Hexahydro-Benzo[4,5]-Thieno[2,3-D]Pyrimidin-2-Ylsulfanyl)-Acetic Acid
CAS No.	59898-76-9
Molecular Formula	C20H18N2O3S2
Molecular Weight	398.50 g/mol
Synonyms	2-[(4-Oxo-3-phenyl-3,4,5,6,7,8-hexahydrobenzo[4,5]thieno[2,3-d]pyrimidin-2-yl)thio]acetic acid; (4-Oxo-3-phenyl-5,6,7,8-tetrahydro-4H-benzo[4,5]thieno[2,3-d]pyrimidin-2-ylsulfanyl)acetic acid; 2-[(4-Oxo-3-phenyl-5,6,7,8-tetrahydro-4H-benzo[4,5]thieno[2,3-d]pyrimidin-2-yl)thio]acetic acid; 59898-76-9; Tetrahydrobenzothienopyrimidine acetic acid derivative.
EINECS	Contact for details

Quality Control

Our (4-Oxo-3-Phenyl-3,4,5,6,7,8-Hexahydro-Benzo[4,5]-Thieno[2,3-D]Pyrimidin-2-Ylsulfanyl)-Acetic Acid is manufactured under strict quality management systems. Every batch undergoes comprehensive analytical testing, including HPLC for purity, NMR and IR for structural confirmation, and residual solvent analysis. A detailed Certificate of Analysis (COA) is provided with each shipment to ensure traceability and compliance with your research specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). The compound is light-sensitive; prolonged exposure to light should be avoided to maintain stability.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference
Purity (HPLC)	≥ 97.0%
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.