Description

1,3-Oxathiolo[4,5-D]Pyrimidine (9Ci) is a specialized heterocyclic organic compound featuring a fused oxathiole and pyrimidine ring system. This unique molecular architecture makes it a valuable and versatile building block in advanced organic synthesis and pharmaceutical research. It is primarily sought after by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and fine chemical industries for the development of novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Serves as a key precursor in the synthesis of nucleoside analogs and other potential therapeutic agents targeting viral and oncological diseases.
• Agrochemical Research: Used as a core scaffold for developing new classes of herbicides, fungicides, and plant growth regulators.
• Material Science: Investigated as a monomer or additive for creating polymers with specific electronic or optical properties.
• Chemical Biology Probe: Employed in the design of molecular probes to study enzyme mechanisms and biological pathways.
• Academic & Contract Research: A critical reagent for methodological development in organic chemistry and heterocyclic compound research at universities and CROs.

Basic Information

Product Name	1,3-Oxathiolo[4,5-D]Pyrimidine (9Ci)
CAS No.	83616-33-5
Molecular Formula	C5H4N2OS
Molecular Weight	140.16 g/mol
Synonyms	1,3-Oxathiolo[4,5-d]pyrimidine; [1,3]Oxathiolo[4,5-d]pyrimidine; Oxathiolo[4,5-d]pyrimidine; 4H-[1,3]Oxathiolo[4,5-d]pyrimidine; 83616-33-5; 1,3-Oxathiolo(4,5-d)pyrimidine; SCHEMBL11827679; DTXSID60672969
EINECS	Contact for details

Quality Control

Our production of 1,3-Oxathiolo[4,5-D]Pyrimidine (9Ci) adheres to stringent quality management protocols to ensure batch-to-batch consistency and high purity. Each lot is characterized using advanced analytical techniques including NMR, HPLC, and mass spectrometry. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to support your quality and regulatory requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (typically 15-25°C). Keep away from incompatible materials such as strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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