Description

Thieno[3,2-D]Pyrimidine, 4-Methyl- (9Ci) is a high-purity heterocyclic organic compound, serving as a critical advanced pharmaceutical intermediate and versatile building block in medicinal chemistry. Its fused thienopyrimidine core structure is highly valued for enabling the synthesis of novel compounds with targeted biological activity. This product is essential for research and development chemists in the pharmaceutical, agrochemical, and material science industries seeking to develop new active ingredients and functional molecules.

Application

• Pharmaceutical Intermediate: A key synthon for the research and development of potential drug candidates, particularly in oncology, antiviral, and central nervous system (CNS) therapeutic areas.
• Agrochemical Synthesis: Used as a building block for creating novel pesticides, herbicides, and fungicides with enhanced efficacy and selectivity.
• Material Science Research: Employed in the development of organic electronic materials, such as organic light-emitting diodes (OLEDs) and semiconductors, due to its electron-rich heterocyclic system.
• Chemical Biology & Proteomics: Serves as a scaffold for designing molecular probes and enzyme inhibitors to study biological pathways and protein function.
• Academic & Contract Research: Utilized in university laboratories and CROs (Contract Research Organizations) for exploratory synthetic chemistry and method development projects.

Basic Information

Product Name	Thieno[3,2-D]Pyrimidine, 4-Methyl- (9Ci)
CAS No.	53827-39-7
Molecular Formula	C7H6N2S
Molecular Weight	150.20 g/mol
Synonyms	4-Methylthieno[3,2-d]pyrimidine; 4-Methylthieno[3,2-d]pyrimidine (9CI); Thieno[3,2-d]pyrimidine, 4-methyl-; 4-Methyl-thieno[3,2-d]pyrimidine; 53827-39-7; 4-Methylthieno[3,2-d]pyrimidine; 4-Methyl-thieno[3,2-d]pyrimidine; 4-Methylthieno[3,2-d]pyrimidine
EINECS	Contact for details

Quality Control

Our Thieno[3,2-D]Pyrimidine, 4-Methyl- (9Ci) is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and GC-MS, to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing all critical quality attributes. Our production adheres to cGMP principles where applicable, ensuring reliability for your most demanding R&D and scale-up processes.

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 oxidizing agents. For long-term storage, consider storing under an inert atmosphere to maintain optimal purity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
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.