Description

3-Amino-2,6-Dimethyl-5-(4-Methylphenyl)Thieno[2,3-D]Pyrimidin-4(3H)-One is a high-purity, advanced pharmaceutical intermediate belonging to the thienopyrimidine class of heterocyclic compounds. This compound matters for its role as a critical building block in the synthesis of novel, targeted therapeutic agents, offering researchers a reliable and well-characterized starting material. It is primarily needed by R&D and process development teams in the pharmaceutical and biotechnology industries, particularly those focused on kinase inhibitor development and other small-molecule drug discovery programs.

Application

• Pharmaceutical Intermediate: A key synthetic precursor in the development of novel drug candidates, especially kinase inhibitors.
• Biochemical Research: Used as a reference standard or building block in medicinal chemistry and structure-activity relationship (SAR) studies.
• Organic Synthesis: Serves as a versatile scaffold for further functionalization to create libraries of compounds for high-throughput screening.
• Academic Research: Employed in university and institutional labs for investigating new synthetic pathways and heterocyclic chemistry.
• Contract Manufacturing (CMO): Supplied to CMOs for use in the cGMP production of active pharmaceutical ingredients (APIs) for clinical trials.

Basic Information

Product Name	3-Amino-2,6-Dimethyl-5-(4-Methylphenyl)Thieno[2,3-D]Pyrimidin-4(3H)-One
CAS No.	610274-73-2
Molecular Formula	C15H15N3OS
Molecular Weight	285.36 g/mol
Synonyms	3-Amino-2,6-dimethyl-5-(p-tolyl)thieno[2,3-d]pyrimidin-4(3H)-one; 5-(4-Methylphenyl)-3-amino-2,6-dimethylthieno[2,3-d]pyrimidin-4(3H)-one; Thieno[2,3-d]pyrimidin-4(3H)-one, 3-amino-2,6-dimethyl-5-(4-methylphenyl)-; CAS 610274-73-2
EINECS	Contact for details

Quality Control

Our 3-Amino-2,6-Dimethyl-5-(4-Methylphenyl)Thieno[2,3-D]Pyrimidin-4(3H)-One is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation via spectroscopic methods, to ensure it meets the high standards required for pharmaceutical R&D. A comprehensive Certificate of Analysis (COA) detailing all test results is provided with each shipment and is available upon request.

Storage

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

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Purity (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.