Description

[1]Benzothieno[3,2-D]Pyrimidin-4(1H)-One,1-Methyl-(9Ci) is a high-purity heterocyclic organic compound, identified by CAS number 779977-50-3, serving as a critical advanced intermediate in modern chemical synthesis. Its value lies in its complex fused-ring structure, which makes it an essential building block for developing novel active pharmaceutical ingredients (APIs) and functional materials. This product is primarily needed by research institutions and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries engaged in cutting-edge R&D and production.

Application

• Pharmaceutical Intermediate: A key synthon for the research and development of new drug candidates, particularly in oncology and antiviral therapeutic areas.
• Agrochemical Research: Used in the synthesis of novel herbicides, fungicides, and insecticides, leveraging its benzothienopyrimidine core.
• Material Science: Serves as a precursor for organic electronic materials, such as organic light-emitting diodes (OLEDs) and semiconductors.
• Chemical Synthesis: Acts as a versatile building block for constructing complex heterocyclic frameworks in academic and industrial research.
• Biochemical Tool Compound: Utilized in biochemical assays and as a probe for studying enzyme inhibition and biological pathways.

Basic Information

Product Name	[1]Benzothieno[3,2-D]Pyrimidin-4(1H)-One,1-Methyl-(9Ci)
CAS No.	779977-50-3
Molecular Formula	C11H8N2OS
Molecular Weight	216.26 g/mol
Synonyms	1-Methyl-1H-[1]benzothieno[3,2-d]pyrimidin-4-one; 1-Methyl-1H-benzo[4,5]thieno[3,2-d]pyrimidin-4-one; 779977-50-3; 1-Methylbenzothieno[3,2-d]pyrimidin-4(1H)-one; 1-Methyl-1H-[1]benzothieno[3,2-d]pyrimidine-4(1H)-one
EINECS	Contact for details

Quality Control

Our [1]Benzothieno[3,2-D]Pyrimidin-4(1H)-One,1-Methyl-(9Ci) is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and mass spectrometry, to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing all specifications are available upon request to support your quality assurance and regulatory compliance needs.

Storage

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

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference
Purity (HPLC)	≥ 98.0%
Loss on Drying	≤ 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.