Description

4-Chlorothieno[3,2-D]Pyrimidine-6-Carbaldehyde is a high-purity heterocyclic building block of significant interest in advanced organic synthesis. This compound matters as a versatile and critical 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: A key synthon for the development of kinase inhibitors and other small-molecule therapeutics targeting various disease pathways.
• Agrochemical Research: Used in the synthesis of novel herbicides, fungicides, and insecticides, leveraging its unique heterocyclic core.
• Material Science Precursor: Serves as a building block for organic electronic materials, such as semiconductors and light-emitting compounds.
• Chemical Biology Probe Development: Utilized in creating tool compounds and probes for studying biological targets and mechanisms of action.
• Custom Synthesis & Contract Manufacturing: Supplied to CDMOs and research organizations for bespoke synthesis projects and library production.

Basic Information

Product Name	4-Chlorothieno[3,2-D]Pyrimidine-6-Carbaldehyde
CAS No.	875340-14-0
Molecular Formula	C7H3ClN2OS
Molecular Weight	198.63 g/mol
Synonyms	4-Chlorothieno[3,2-d]pyrimidine-6-carboxaldehyde; 4-Chloro-6-formylthieno[3,2-d]pyrimidine; Thieno[3,2-d]pyrimidine-6-carbaldehyde, 4-chloro-; 875340-14-0; 4-Chloro-thieno[3,2-d]pyrimidine-6-carbaldehyde; 4-Chloro-6-carbaldehydethieno[3,2-d]pyrimidine
EINECS	Contact for details

Quality Control

Our 4-Chlorothieno[3,2-D]Pyrimidine-6-Carbaldehyde 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) with detailed specifications are provided for every shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at controlled room temperature (15-25°C). The compound may be light-sensitive; prolonged exposure to light should be avoided.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (HPLC)	Conforms
Identification (IR)	Conforms
Purity (HPLC)	≥ 97.0%
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.