Description

3-Amino-6-Ethyl-2-Methylthieno[2,3-D]Pyrimidin-4(3H)-One 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 or material properties. It is primarily sought after by research institutions and manufacturers in the pharmaceutical and agrochemical sectors for the development of novel active ingredients.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel drug candidates, particularly those targeting specific enzyme pathways.
• Agrochemical Research: Used in the development of new herbicides, fungicides, or insecticides, leveraging its heterocyclic core.
• Material Science: Serves as a building block for creating specialized organic electronic materials or dyes.
• Academic & R&D: Employed in chemical research for studying heterocyclic chemistry and reaction mechanisms.
• Custom Synthesis: A starting material for contract research organizations (CROs) and CDMOs producing bespoke compounds for clients.

Basic Information

Product Name	3-Amino-6-Ethyl-2-Methylthieno[2,3-D]Pyrimidin-4(3H)-One
CAS No.	80381-61-9
Molecular Formula	C9H11N3OS
Molecular Weight	209.27 g/mol
Synonyms	3-Amino-6-ethyl-2-methyl-3,4-dihydrothieno[2,3-d]pyrimidin-4-one; 6-Ethyl-2-methyl-3-amino-thieno[2,3-d]pyrimidin-4(3H)-one; Thieno[2,3-d]pyrimidin-4(3H)-one, 3-amino-6-ethyl-2-methyl-; 80381-61-9; 3-Amino-6-ethyl-2-methylthieno[2,3-d]pyrimidin-4-one
EINECS	Contact for details

Quality Control

Every batch of 3-Amino-6-Ethyl-2-Methylthieno[2,3-D]Pyrimidin-4(3H)-One is produced and tested under a strict quality management system. Our products undergo rigorous quality testing to ensure compliance with industry standards. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are available upon request.

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 and sources of ignition.

Specification

Item	Specification
Appearance	Off-white to light yellow powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm

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