Description

[1,2,3]Thiadiazolo[5,4-D]Pyrimidine (8Ci,9Ci) is a heterocyclic organic compound featuring a fused thiadiazole and pyrimidine ring system. This specialized chemical building block is valued for its unique electronic and structural properties, which make it a key intermediate in advanced research and development. It is primarily sought by researchers and process chemists in the pharmaceutical and agrochemical industries for the synthesis of novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Serves as a core scaffold for the development of new drug candidates, particularly in areas targeting enzymes and receptors.
• Agrochemical Research: Used in the synthesis of novel herbicides, fungicides, and insecticides, leveraging its heterocyclic bioactivity.
• Material Science: Investigated as a precursor for organic electronic materials, such as semiconductors and light-emitting components.
• Chemical Synthesis: Acts as a versatile building block in organic chemistry for constructing complex, nitrogen- and sulfur-containing heterocycles.
• Biochemical Probes: Utilized in the design of molecular probes and inhibitors for studying biological pathways.

Basic Information

Product Name	[1,2,3]Thiadiazolo[5,4-D]Pyrimidine (8Ci,9Ci)
CAS No.	273-88-1
Molecular Formula	C4H2N4S
Molecular Weight	138.15 g/mol
Synonyms	Thiadiazolo[5,4-d]pyrimidine; [1,2,3]Thiadiazolo[5,4-d]pyrimidine; 1,2,3-Thiadiazolo[5,4-d]pyrimidine; 273-88-1; Pyrimido[5,4-e][1,2,3]thiadiazine; NSC 403697; AS-56269; CCRIS 5986
EINECS	205-993-7

Quality Control

Our production of [1,2,3]Thiadiazolo[5,4-D]Pyrimidine (8Ci,9Ci) adheres to stringent quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC for purity and NMR/IR for structural confirmation, to ensure consistency and reliability for research applications. A detailed Certificate of Analysis (COA) is provided with every shipment to guarantee traceability and compliance with your specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at 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	Off-white to light yellow powder/crystals
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95%
Melting Point	Contact for details
Loss on Drying	≤ 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.