Description

2-Methylthieno[3,2-D]Pyrimidin-4(3H)-One is a high-value heterocyclic building block and key synthetic intermediate in advanced organic chemistry. This compound, with CAS number 18678-13-2, is prized for its fused thienopyrimidine core, which is integral to developing compounds with significant biological activity. It is primarily sought after by research and development teams in the pharmaceutical and agrochemical sectors for creating novel active ingredients.

Application

• Pharmaceutical Intermediate: A crucial precursor in the synthesis of potential drug candidates targeting various therapeutic areas.
• Agrochemical Research: Used in the development of new herbicides, fungicides, and insecticides due to its bioactive scaffold.
• Material Science: Serves as a building block for organic electronic materials, such as organic semiconductors or light-emitting materials.
• Chemical Synthesis: Acts as a versatile synthon for constructing complex polyheterocyclic systems in academic and industrial research.
• Biochemical Probe Development: Utilized in medicinal chemistry to create tool compounds for studying biological pathways and enzyme inhibition.

Basic Information

Item	Details
Product Name	2-Methylthieno[3,2-D]Pyrimidin-4(3H)-One
CAS No.	18678-13-2
Molecular Formula	C7H6N2OS
Molecular Weight	166.20 g/mol
Synonyms	2-Methyl-3H-thieno[3,2-d]pyrimidin-4-one; 2-Methyl-4-oxo-3,4-dihydrothieno[3,2-d]pyrimidine; 2-Methylthieno[3,2-d]pyrimidin-4(3H)-one; 18678-13-2; Thieno[3,2-d]pyrimidin-4(3H)-one, 2-methyl-; 4-Hydroxy-2-methylthieno[3,2-d]pyrimidine
EINECS	Contact for details

Quality Control

Our production of 2-Methylthieno[3,2-D]Pyrimidin-4(3H)-One adheres to stringent quality management protocols to ensure batch-to-batch consistency and high purity. We provide comprehensive analytical documentation, including Certificates of Analysis (COA) with detailed HPLC purity data and spectral confirmation (IR, NMR, MS). Our quality systems are designed to meet the exacting standards required for pharmaceutical R&D and other critical applications.

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 incompatible materials. For long-term storage, consider storing under an inert atmosphere to maintain optimal stability.

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%

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