Description

Ethyl 4-Amino-5-Methylthieno[2,3-D]Pyrimidine-6-Carboxylate is a high-purity, advanced pharmaceutical intermediate with the CAS number 60598-74-5. This compound is a critical building block in the synthesis of complex heterocyclic molecules, offering significant value for research and commercial-scale production. It is primarily sought by pharmaceutical R&D laboratories and fine chemical manufacturers for the development of novel active pharmaceutical ingredients (APIs).

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of kinase inhibitors and other targeted therapeutic agents.
• Organic Synthesis Building Block: Used in constructing complex thienopyrimidine scaffolds for medicinal chemistry research and drug discovery programs.
• Agrochemical Research: Serves as a starting material for developing novel crop protection agents and fungicides.
• Material Science: Investigated for the creation of organic semiconductors and specialty polymers due to its fused heterocyclic structure.
• Academic & Contract Research: Utilized in universities and CROs (Contract Research Organizations) for methodological studies and the exploration of new chemical entities.

Basic Information

Product Name	Ethyl 4-Amino-5-Methylthieno[2,3-D]Pyrimidine-6-Carboxylate
CAS No.	60598-74-5
Molecular Formula	C10H11N3O2S
Molecular Weight	237.28 g/mol
Synonyms	4-Amino-5-methylthieno[2,3-d]pyrimidine-6-carboxylic acid ethyl ester; Ethyl 4-amino-5-methylthieno[2,3-d]pyrimidine-6-carboxylate; 6-Carbethoxy-4-amino-5-methylthieno[2,3-d]pyrimidine; 4-Amino-5-methyl-6-(ethoxycarbonyl)thieno[2,3-d]pyrimidine; Thieno[2,3-d]pyrimidine-6-carboxylic acid, 4-amino-5-methyl-, ethyl ester; 60598-74-5; 4-Amino-5-methylthieno[2,3-d]pyrimidine-6-ethyl carboxylate
EINECS	Contact for details

Quality Control

Our Ethyl 4-Amino-5-Methylthieno[2,3-D]Pyrimidine-6-Carboxylate is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure identity, purity, and consistency, meeting the stringent requirements for pharmaceutical intermediates. Certificates of Analysis (COA) documenting HPLC purity, residual solvents, and other critical parameters are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Keep away from incompatible materials and sources of ignition.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Identification (HPLC)	Retention time matches reference standard
Purity (HPLC)	≥ 98.0%
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.