Description

2,4-Diamino-6-Mercaptopyrimidine Hemisulfate is a versatile heterocyclic building block and intermediate of significant importance in fine chemical synthesis. Its value lies in its bifunctional structure, featuring both amino and thiol groups, which makes it a key precursor for the development of complex molecules. This compound is primarily needed by research institutions and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries for applications in drug discovery and material science.

Application

• Pharmaceutical Intermediate: Serves as a critical building block in the synthesis of nucleoside analogs, antiviral agents, and other active pharmaceutical ingredients (APIs).
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and plant growth regulators, leveraging its pyrimidine core.
• Chemical Research & Development: Acts as a versatile reagent for constructing complex heterocyclic compounds in medicinal and organic chemistry.
• Material Science: Potential precursor for the synthesis of ligands in coordination chemistry and for creating functionalized polymers.
• Biochemical Research: May be utilized in the study of enzyme inhibitors or as a modifier in biochemical assays.

Basic Information

Product Name	2,4-Diamino-6-Mercaptopyrimidine Hemisulfate
CAS No.	81012-96-6
Molecular Formula	C4H7N4OS • ½H2SO4
Molecular Weight	199.19 g/mol (for hemisulfate salt)
Synonyms	6-Mercapto-2,4-pyrimidinediamine hemisulfate; 2,4-Diamino-6-pyrimidinethiol hemisulfate; 2,4-Diamino-6-mercaptopyrimidine sulfate (1:0.5); 6-Thioguanine impurity; 2,4-Diamino-6-sulfanylpyrimidine hemisulfate; DATMP hemisulfate; 81012-96-6
EINECS	Contact for details

Quality Control

Our 2,4-Diamino-6-Mercaptopyrimidine Hemisulfate is produced under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure high purity and consistency, meeting the stringent requirements for research and industrial synthesis. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are available upon request to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Due to its hygroscopic and easily oxidized nature, it is recommended to handle the material under an inert atmosphere for long-term storage and to minimize exposure to air and moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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