Description

Thieno[3,2-D]Pyrimidine, 4-Methoxy-7-Methyl- (9Ci) is a high-purity heterocyclic organic compound belonging to the thienopyrimidine class, a privileged scaffold in medicinal chemistry. This compound is valued for its role as a versatile and critical pharmaceutical intermediate in the research and development of novel therapeutic agents. It is primarily sought after by R&D laboratories and manufacturing units in the pharmaceutical and biotechnology sectors for synthesizing targeted drug candidates.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of novel drug candidates, particularly kinase inhibitors and other small molecule therapeutics.
• Medicinal Chemistry Research: Used extensively in R&D for structure-activity relationship (SAR) studies and lead optimization programs.
• Chemical Biology Probes: Serves as a core structure for developing selective chemical probes to study biological pathways and target validation.
• Agrochemical Research: Potential application in the development of new active ingredients for crop protection products.
• Material Science: Investigated as a precursor for organic electronic materials due to its fused heterocyclic structure.

Basic Information

Product Name	Thieno[3,2-D]Pyrimidine, 4-Methoxy-7-Methyl- (9Ci)
CAS No.	676549-71-6
Molecular Formula	C8H8N2OS
Molecular Weight	180.23 g/mol
Synonyms	4-Methoxy-7-methylthieno[3,2-d]pyrimidine; 7-Methyl-4-methoxythieno[3,2-d]pyrimidine; Thieno[3,2-d]pyrimidine, 4-methoxy-7-methyl-; 4-Methoxy-7-methyl-thieno[3,2-d]pyrimidine; 676549-71-6; Thienopyrimidine derivative; 4-Methoxy-7-methyl-thieno[3,2-d]pyrimidine (9CI)
EINECS	Contact for details

Quality Control

Our Thieno[3,2-D]Pyrimidine, 4-Methoxy-7-Methyl- (9Ci) is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high purity. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing purity, identity, and impurity profiles. Our quality systems are designed to meet the stringent requirements of pharmaceutical R&D and process development.

Storage

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

Specification

Item	Specification
Appearance	White to off-white powder
Identification (HPLC/IR)	Conforms to reference standard
Assay (HPLC)	≥ 98.0%
Related Substances (HPLC)	Total impurities ≤ 2.0% Any single impurity ≤ 1.0%
Residual Solvents (GC)	Complies with ICH Q3C guidelines
Loss on Drying	≤ 0.5%

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