Description

3H-1,2,3-Oxathiazolo[4,5-D]Pyrimidine (9Ci) is a specialized heterocyclic compound featuring a fused oxathiazole and pyrimidine ring system. This unique molecular architecture makes it a valuable synthetic intermediate and building block in advanced organic chemistry and pharmaceutical research. It is primarily sought after by research chemists and process development scientists in the pharmaceutical, agrochemical, and material science industries for the development of novel active ingredients and functional molecules.

Application

• Pharmaceutical Intermediate: Serves as a key precursor in the synthesis of novel drug candidates, particularly those targeting various enzyme families.
• Agrochemical Research: Used as a building block for developing new herbicides, fungicides, or insecticides with unique modes of action.
• Chemical Biology Probe: Employed in the design and synthesis of molecular probes to study biological pathways and protein functions.
• Material Science: Acts as a monomer or precursor for creating specialized polymers and organic electronic materials.
• Academic & Contract Research: Utilized in universities and CROs for methodological studies and exploring new chemical reactions involving fused heterocycles.

Basic Information

Product Name	3H-1,2,3-Oxathiazolo[4,5-D]Pyrimidine (9Ci)
CAS No.	189238-82-2
Molecular Formula	C4H3N3OS
Molecular Weight	141.15 g/mol
Synonyms	3H-[1,2,3]Oxathiazolo[4,5-d]pyrimidine; 1,2,3-Oxathiazolo[4,5-d]pyrimidine, 3H-; 3H-1,2,3-Oxathiazolo[4,5-d]pyrimidine; Oxathiazolopyrimidine; CAS 189238-82-2
EINECS	Contact for details

Quality Control

Every batch of 3H-1,2,3-Oxathiazolo[4,5-D]Pyrimidine (9Ci) is produced and tested under strict quality management protocols to ensure consistency and purity for research applications. Our standard offering meets high-purity research-grade specifications, with comprehensive analytical data provided. A detailed Certificate of Analysis (COA) documenting identity, purity, and impurity profiles is available for each lot 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 storing under an inert atmosphere to maintain stability.

Specification

Item	Specification
Appearance	White to off-white solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95%
Water Content (KF)	≤ 1.0%
Residue on Ignition	≤ 0.5%

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