Description

1,2,4-Triazolo[4,3-A]Pyrimidine-7-Sulfonic Acid, 1,5-Dihydro-5-Thioxo- is a high-purity, specialized heterocyclic sulfonic acid derivative that serves as a critical advanced intermediate in modern organic synthesis. Its unique fused triazolopyrimidine core with a thioxo and sulfonic acid group makes it a valuable building block for constructing complex molecules with targeted biological or material properties. This compound is primarily sought by research institutions and industrial R&D departments in the pharmaceutical, agrochemical, and specialty chemical sectors for developing new active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of novel drug candidates, particularly those targeting enzymes or receptors where the triazolopyrimidine scaffold is pharmacologically relevant.
• Agrochemical Research: Used in developing new generations of herbicides, fungicides, or plant growth regulators that leverage its heterocyclic structure.
• Ligand and Chelator Synthesis: Serves as a starting material for creating specialized ligands in coordination chemistry and catalysis due to its potential donor atoms.
• Material Science Precursor: Employed in the research and development of advanced organic materials, such as dyes, photoinitiators, or conductive polymers.
• Chemical Biology Probe Development: Utilized as a core structure for designing activity-based probes or molecular tags to study biological processes.
• Custom Synthesis & Contract Manufacturing: A vital building block for custom synthesis houses serving the life sciences industry with complex, multi-step organic molecules.

Basic Information

Product Name	1,2,4-Triazolo[4,3-A]Pyrimidine-7-Sulfonic Acid, 1,5-Dihydro-5-Thioxo-
CAS No.	163708-46-1
Molecular Formula	C5H4N4O3S2
Molecular Weight	232.24 g/mol
Synonyms	5-Thioxo-1,5-dihydro-[1,2,4]triazolo[4,3-a]pyrimidine-7-sulfonic acid; 1,5-Dihydro-5-thioxo-1,2,4-triazolo[4,3-a]pyrimidine-7-sulfonic acid; [1,2,4]Triazolo[4,3-a]pyrimidine-7-sulfonic acid, 1,5-dihydro-5-thioxo-; 1,2,4-Triazolo[4,3-a]pyrimidine-7-sulfonic acid, 1,5-dihydro-5-thioxo-; 5-Thioxo-4,7-dihydro-[1,2,4]triazolo[4,3-a]pyrimidine-7-sulfonic acid; 7-Sulfo-1,5-dihydro-5-thioxo[1,2,4]triazolo[4,3-a]pyrimidine; 163708-46-1; 5-Thioxo-1,2,4-triazolo[4,3-a]pyrimidine-7-sulfonic acid
EINECS	Contact for details

Quality Control

Every batch of 1,2,4-Triazolo[4,3-A]Pyrimidine-7-Sulfonic Acid, 1,5-Dihydro-5-Thioxo- is manufactured and tested under a strict quality management system. We provide comprehensive analytical documentation to ensure the identity, purity, and consistency required for sensitive research and development applications. Certificates of Analysis (COA) detailing purity (typically by HPLC), identity confirmation (IR, NMR), and impurity profiles are 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 a controlled room temperature (15-25°C). Due to its acidic nature, keep away from strong bases and incompatible materials. Handle and store in accordance with good laboratory practices.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Water Content (KF)	≤ 1.0%
Residue on Ignition	≤ 0.5%
Heavy Metals	≤ 20 ppm

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