Description

2-Chloro-7-Methylthieno[3,2-D]Pyrimidine is a high-purity heterocyclic building block of significant interest in advanced organic synthesis. This compound matters as a key synthetic intermediate for constructing complex molecular architectures, particularly in pharmaceutical research and development. It is primarily needed by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and material science industries for creating novel active ingredients and functional molecules.

Application

• Pharmaceutical Intermediate: Serves as a critical precursor in the synthesis of kinase inhibitors and other targeted therapeutic agents.
• Agrochemical Research: Used in developing novel herbicides, fungicides, and insecticides with specific modes of action.
• Material Science: Acts as a building block for organic electronic materials, such as semiconductors and light-emitting compounds.
• Chemical Biology: Employed in the design and synthesis of molecular probes and tool compounds for biological target validation.
• Custom Synthesis: A versatile starting material for contract research organizations (CROs) and CDMOs performing bespoke chemical synthesis.
• Academic Research: Utilized in university and institutional labs for methodological development and exploring new chemical space.

Basic Information

Product Name	2-Chloro-7-Methylthieno[3,2-D]Pyrimidine
CAS No.	1355963-58-4
Molecular Formula	C7H5ClN2S
Molecular Weight	184.65 g/mol
Synonyms	2-Chloro-7-methylthieno[3,2-d]pyrimidine; Thieno[3,2-d]pyrimidine, 2-chloro-7-methyl-; 7-Methyl-2-chlorothieno[3,2-d]pyrimidine; 2-Chloro-7-methyl-thieno[3,2-d]pyrimidine; 1355963-58-4; AKOS026710893; ZINC000253930777
EINECS	Contact for details

Quality Control

Our 2-Chloro-7-Methylthieno[3,2-D]Pyrimidine is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and LC-MS, to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing all specifications are provided with every shipment. We support development and commercial projects requiring material that meets internal quality standards or specific regulatory guidelines.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after opening to prevent degradation from atmospheric moisture. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	White to off-white powder/crystals
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%
Single Unknown Impurity (HPLC)	≤ 1.0%
Total Impurities (HPLC)	≤ 3.0%

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