Description

Thieno[2,3-D]Pyrimidine, 4-Methyl- (9Ci) is a high-purity heterocyclic organic compound serving as a critical building block in advanced chemical synthesis. This specialized intermediate is valued for its unique fused-ring structure, which is essential for constructing complex molecules with targeted biological and electronic properties. It is primarily sought by research institutions and industrial R&D departments in the pharmaceutical, agrochemical, and materials science sectors for developing novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A key synthon in the research and development of novel drug candidates, particularly for kinase inhibitors and other small-molecule therapeutics.
• Agrochemical Research: Used in the synthesis of new pesticides and herbicides, leveraging its heterocyclic core for bioactivity.
• Organic Electronic Materials: Serves as a precursor in the development of organic semiconductors, OLEDs, and other functional materials due to its electron-deficient pyrimidine ring.
• Chemical Research & Development: Employed as a versatile scaffold in medicinal chemistry and material science for structure-activity relationship (SAR) studies.
• Academic & Institutional Research: Utilized in universities and research institutes for fundamental studies in heterocyclic chemistry and synthetic methodology development.

Basic Information

Product Name	Thieno[2,3-D]Pyrimidine, 4-Methyl- (9Ci)
CAS No.	111079-29-9
Molecular Formula	C7H6N2S
Molecular Weight	150.20 g/mol
Synonyms	4-Methylthieno[2,3-d]pyrimidine; 4-Methylthieno[2,3-d]pyrimidine (9CI); Thieno[2,3-d]pyrimidine, 4-methyl-; 4-Methyl-thieno[2,3-d]pyrimidine; 4-Methylthieno[2,3-d]pyrimidine; 4-Methyl-thieno[2,3-d]pyrimidine; 4-Methylthieno[2,3-d]pyrimidine (9CI)
EINECS	Contact for details

Quality Control

Our Thieno[2,3-D]Pyrimidine, 4-Methyl- (9Ci) 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. We provide a detailed Certificate of Analysis (COA) with every shipment, documenting all critical quality parameters. Our commitment to quality supports applications in regulated research environments.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (typically 15-25°C). Keep away from incompatible materials. For long-term storage, consider storing under an inert atmosphere to maintain product integrity.

Specification

Item	Specification
Appearance	White to off-white powder/crystals
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 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.