Description

7-Methyl-3,4-Dihydrothieno[3,2-D]Pyrimidin-4-One is a high-purity heterocyclic building block of significant interest in advanced organic synthesis. Its fused thienopyrimidinone core structure makes it a valuable intermediate for the development of novel pharmacologically active compounds. This product is primarily targeted at research institutions and pharmaceutical companies engaged in medicinal chemistry and drug discovery programs.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of potential kinase inhibitors and other small molecule therapeutics.
• Medicinal Chemistry Research: Used as a core scaffold for constructing compound libraries in high-throughput screening and structure-activity relationship (SAR) studies.
• Chemical Biology: Serves as a probe or tool compound for investigating biological pathways and target validation.
• Organic Synthesis: A versatile building block for constructing complex heterocyclic systems due to its reactive functional groups.
• Agrochemical Research: Potential intermediate in the development of new active ingredients for crop protection.

Basic Information

Product Name	7-Methyl-3,4-Dihydrothieno[3,2-D]Pyrimidin-4-One
CAS No.	175137-13-0
Molecular Formula	C7H6N2OS
Molecular Weight	166.20 g/mol
Synonyms	7-Methyl-3,4-dihydrothieno[3,2-d]pyrimidin-4(1H)-one; 7-Methyl-1,4-dihydrothieno[3,2-d]pyrimidin-4-one; 7-Methyl-4-oxo-3,4-dihydrothieno[3,2-d]pyrimidine; Thieno[3,2-d]pyrimidin-4(3H)-one, 7-methyl-; 175137-13-0; 7-Methyl-4H-thieno[3,2-d]pyrimidin-4-one
EINECS	Contact for details

Quality Control

Our 7-Methyl-3,4-Dihydrothieno[3,2-D]Pyrimidin-4-One is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC, NMR, and mass spectrometry, to ensure identity, purity, and consistency. A detailed Certificate of Analysis (COA) is provided with every shipment, confirming compliance with customer specifications and relevant industry standards for research chemicals.

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. This material is light-sensitive (store away from light).

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference
Purity (HPLC)	≥ 98.0%
Water Content (KF)	≤ 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.