Description

2-Chlorothieno[3,2-D]Pyrimidine-7-Carbaldehyde is a high-purity, heterocyclic organic building block of significant interest in advanced chemical 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 precursor in the synthesis of kinase inhibitors and other small-molecule drug candidates targeting various therapeutic areas.
• Agrochemical Research: Used in the development of novel herbicides, fungicides, and insecticides with specific modes of action.
• Material Science: Serves as a building block for organic electronic materials, such as organic semiconductors and light-emitting diodes (OLEDs).
• Chemical Biology: Employed in the design and synthesis of molecular probes and tool compounds for studying biological pathways.
• Custom Synthesis: A fundamental starting material for contract research organizations (CROs) and CDMOs performing bespoke chemical synthesis for clients.
• Academic Research: Utilized in university and institutional labs for methodological development and exploring new chemical reactions involving fused heterocyclic systems.

Basic Information

Product Name	2-Chlorothieno[3,2-D]Pyrimidine-7-Carbaldehyde
CAS No.	1356016-35-7
Molecular Formula	C7H3ClN2OS
Molecular Weight	198.63 g/mol
Synonyms	2-Chlorothieno[3,2-d]pyrimidine-7-carboxaldehyde; 7-Formyl-2-chlorothieno[3,2-d]pyrimidine; Thieno[3,2-d]pyrimidine-7-carbaldehyde, 2-chloro-; 2-Chloro-7-formylthieno[3,2-d]pyrimidine; 2-Chlorothieno[3,2-d]pyrimidine-7-carbaldehyde; 1356016-35-7; 2-Chloro-thieno[3,2-d]pyrimidine-7-carbaldehyde
EINECS	Contact for details

Quality Control

Our 2-Chlorothieno[3,2-D]Pyrimidine-7-Carbaldehyde is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and MS, to ensure identity, purity, and consistency. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with 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, and well-ventilated place at a controlled room temperature (15-25°C). Keep away from strong oxidizing agents and bases. For long-term storage, consider storing under an inert atmosphere to maintain optimal stability.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (HPLC)	Conforms
Identification (NMR)	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.