Description

Thieno[3,2-D]Pyrimidine (8Ci,9Ci) is a high-purity heterocyclic organic compound, identified by CAS NO 272-68-4, that serves as a critical building block in advanced chemical synthesis. Its fused thiophene and pyrimidine ring system provides a versatile scaffold for developing novel molecules with targeted properties. This intermediate is essential for researchers and manufacturers in the pharmaceutical and agrochemical industries, particularly for the development of active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel drug candidates, particularly for kinase inhibitors and other targeted therapies.
• Agrochemical Research: Used in the development of new herbicides, fungicides, and insecticides, leveraging its heterocyclic structure for bioactivity.
• Material Science: Serves as a building block for organic electronic materials, such as semiconductors and light-emitting diodes (OLEDs).
• Chemical Synthesis: A versatile scaffold for constructing complex heterocyclic compounds in medicinal and process chemistry.
• Academic & R&D: Employed in university and corporate research laboratories for studying structure-activity relationships and reaction mechanisms.

Basic Information

Product Name	Thieno[3,2-D]Pyrimidine (8Ci,9Ci)
CAS No.	272-68-4
Molecular Formula	C6H4N2S
Molecular Weight	136.17 g/mol
Synonyms	Thieno[3,2-d]pyrimidine; Thieno(3,2-d)pyrimidine; 272-68-4; NSC 51128; CCRIS 5981; 4-Thia-5,9-diazaindene; 4H-Thieno[3,2-d]pyrimidine
EINECS	205-983-8

Quality Control

Our Thieno[3,2-D]Pyrimidine is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. Each lot is accompanied by a comprehensive Certificate of Analysis (COA) detailing key parameters such as identity, assay, and impurity profiles. We adhere to relevant industry standards and can support development projects requiring specific analytical protocols or custom purity grades.

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 an inert atmosphere to maintain product integrity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥98.0%
Melting Point	Contact for details
Loss on Drying	≤0.5%
Residue on Ignition	≤0.1%
Heavy Metals	≤20 ppm

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