Description

3-Allyl-5,6-Dimethyl-2-Thioxo-2,3-Dihydrothieno[2,3-D]Pyrimidin-4(1H)-One is a high-value, heterocyclic organic compound featuring a fused thienopyrimidine core, which is integral to advanced chemical synthesis. This compound serves as a critical pharmacophore and versatile synthetic intermediate for developing novel active molecules with targeted properties. It is primarily required by pharmaceutical R&D laboratories, agrochemical innovators, and specialty chemical manufacturers engaged in creating new therapeutic agents and functional materials.

Application

• Pharmaceutical Intermediate: A key building block for the synthesis of potential drug candidates, particularly in oncology, antiviral, and central nervous system (CNS) therapeutic areas.
• Agrochemical Research: Used in developing novel pesticides and herbicides, leveraging its heterocyclic structure for biological activity.
• Material Science Precursor: Serves as a monomer or functional additive in the research of advanced polymers and organic electronic materials.
• Chemical Biology Probe: Utilized in academic and industrial research to study enzyme interactions and biological pathways.
• Custom Synthesis & Contract Manufacturing: Supplied to CDMOs (Contract Development and Manufacturing Organizations) for bespoke synthesis projects.

Basic Information

Product Name	3-Allyl-5,6-Dimethyl-2-Thioxo-2,3-Dihydrothieno[2,3-D]Pyrimidin-4(1H)-One
CAS No.	51486-16-9
Molecular Formula	C11H12N2OS2
Molecular Weight	252.35 g/mol
Synonyms	3-Allyl-5,6-dimethyl-2-thioxo-2,3-dihydro-1H-thieno[2,3-d]pyrimidin-4-one; 3-Allyl-5,6-dimethyl-2-thioxo-1,2-dihydrothieno[2,3-d]pyrimidin-4(3H)-one; Thieno[2,3-d]pyrimidin-4(3H)-one, 3-allyl-2,3-dihydro-5,6-dimethyl-2-thioxo-; 51486-16-9; Allyl-substituted thienopyrimidinone; 5,6-Dimethyl-3-allyl-2-thioxo-2,3-dihydrothieno[2,3-d]pyrimidin-4(1H)-one
EINECS	Contact for details

Quality Control

Our production of 3-Allyl-5,6-Dimethyl-2-Thioxo-2,3-Dihydrothieno[2,3-D]Pyrimidin-4(1H)-One adheres to stringent in-process controls and final release testing to ensure batch-to-batch consistency and high purity. We provide comprehensive Certificates of Analysis (COA) detailing identity, purity, and impurity profiles. Our quality system is designed to support cGMP-compliant applications for pharmaceutical development. Certificates of Analysis (COA) are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Keep the container tightly sealed in a dry environment to minimize moisture uptake.

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.