Description

3-Hydroxy-1,5-Dimethylthieno[2,3-D]Pyrimidine-2,4(1H,3H)-Dione is a high-purity, heterocyclic organic compound serving as a critical building block in advanced chemical synthesis. Its unique fused thienopyrimidine-dione structure makes it a valuable intermediate for developing novel active pharmaceutical ingredients (APIs) and functional materials. This compound is primarily sought by research institutions and industrial manufacturers in the pharmaceutical, agrochemical, and specialty chemical sectors for its role in creating molecules with targeted biological and physical properties.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of novel drug candidates, particularly for central nervous system (CNS) and anti-infective therapeutic areas.
• Agrochemical Research: Used in the development of new herbicides, fungicides, and insecticides with specific modes of action.
• Material Science: Serves as a monomer or functional additive in the creation of specialty polymers and organic electronic materials.
• Chemical Synthesis: A versatile building block for constructing complex heterocyclic frameworks in medicinal and combinatorial chemistry.
• Biochemical Research: Employed as a reference standard or probe in enzymatic and receptor binding studies.
• Academic & Contract Research: Essential for fundamental research in organic chemistry and pharmacology at universities and CROs.

Basic Information

Product Name	3-Hydroxy-1,5-Dimethylthieno[2,3-D]Pyrimidine-2,4(1H,3H)-Dione
CAS No.	824983-86-0
Molecular Formula	C9H8N2O3S
Molecular Weight	224.24 g/mol
Synonyms	1,5-Dimethyl-3-hydroxythieno[2,3-d]pyrimidine-2,4(1H,3H)-dione; 3-Hydroxy-1,5-dimethyl-1,3-dihydrothieno[2,3-d]pyrimidine-2,4-dione; Thieno[2,3-d]pyrimidine-2,4(1H,3H)-dione, 3-hydroxy-1,5-dimethyl-; 824983-86-0; 1,5-Dimethyl-3-hydroxythienopyrimidine-2,4-dione
EINECS	Contact for details

Quality Control

Our production of 3-Hydroxy-1,5-Dimethylthieno[2,3-D]Pyrimidine-2,4(1H,3H)-Dione adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing, including HPLC for purity, NMR and IR for structural confirmation, and residual solvent analysis. We provide detailed Certificates of Analysis (COA) with each shipment to ensure traceability and compliance with your research or manufacturing specifications. Our quality systems are designed to support cGMP and ISO standards for reliable, batch-to-batch consistency.

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). This product is hygroscopic (moisture-sensitive) and light-sensitive; therefore, containers must be kept sealed under an inert atmosphere when not in use to prevent degradation. Keep away from incompatible materials.

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%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 10 ppm
Residual Solvents (GC)	Complies with ICH Q3C guidelines

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