Description

5-Methylthieno[2,3-D]Pyrimidin-4-Amine is a high-purity heterocyclic organic compound that serves 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 activity. It is primarily required by research institutions and pharmaceutical development companies engaged in the discovery and synthesis of novel active pharmaceutical ingredients (APIs) and agrochemicals.

Application

This versatile chemical intermediate finds its primary utility in sophisticated research and development environments. Key application areas include:

• Pharmaceutical Research: As a core scaffold for the synthesis of novel drug candidates, particularly in kinase inhibitor programs and other targeted therapies.
• Agrochemical Development: Serving as a key precursor in the design and synthesis of new herbicides, fungicides, and plant growth regulators.
• Material Science: Potential use in the development of organic semiconductors, ligands for catalysis, and advanced polymeric materials.
• Academic & Contract Research: A valuable reagent for methodological studies in organic chemistry and medicinal chemistry within university and CRO (Contract Research Organization) laboratories.

Basic Information

Product Name	5-Methylthieno[2,3-D]Pyrimidin-4-Amine
CAS No.	13145-89-6
Molecular Formula	C7H7N3S
Molecular Weight	165.21 g/mol
Synonyms	5-Methyl-4-aminothieno[2,3-d]pyrimidine; 4-Amino-5-methylthieno[2,3-d]pyrimidine; 5-Methylthieno[2,3-d]pyrimidin-4-ylamine; Thieno[2,3-d]pyrimidin-4-amine, 5-methyl-; 13145-89-6; 5-Methyl-4-thieno[2,3-d]pyrimidinamine
EINECS	Contact for details

Quality Control

Our 5-Methylthieno[2,3-D]Pyrimidin-4-Amine is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing key parameters such as assay purity and impurity profiles. Our quality commitment aligns with the standards expected by the pharmaceutical and fine chemical industries, ensuring reliability for your critical R&D and scale-up processes.

Storage

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

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
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.