Description

5-Pyrimidinamine, 4-(Methylthio)- (9Ci) is a specialized pyrimidine derivative, a key heterocyclic building block in advanced organic synthesis. This compound matters for its role as a crucial intermediate in the development of active pharmaceutical ingredients (APIs) and agrochemicals, where precise molecular architecture is paramount. It is primarily needed by research chemists and process development scientists in the pharmaceutical, agrochemical, and fine chemical industries for constructing complex molecules with targeted biological activity.

Application

• Pharmaceutical Intermediate: Serves as a critical building block in the synthesis of novel drug candidates, particularly in antiviral and anticancer research.
• Agrochemical Synthesis: Used in the development of advanced herbicides, fungicides, and plant growth regulators.
• Fine Chemical Production: Acts as a precursor for dyes, pigments, and other specialty chemicals requiring a functionalized pyrimidine core.
• Academic & Industrial R&D: Employed in methodological studies and as a standard for analytical method development in heterocyclic chemistry.
• Material Science Research: Investigated as a monomer or ligand for creating novel polymers or coordination complexes with specific electronic properties.

Basic Information

Product Name	5-Pyrimidinamine, 4-(Methylthio)- (9Ci)
CAS No.	59447-73-3
Molecular Formula	C5H7N3S
Molecular Weight	141.19 g/mol
Synonyms	4-(Methylthio)-5-pyrimidinamine; 4-Methylsulfanylpyrimidin-5-amine; 5-Amino-4-(methylthio)pyrimidine; 4-Methylmercapto-5-aminopyrimidine; 4-(Methylmercapto)-5-pyrimidinamine; 4-Methylsulfanyl-5-pyrimidinamine; 4-(Methylthio)pyrimidin-5-amine
EINECS	Contact for details

Quality Control

Our 5-Pyrimidinamine, 4-(Methylthio)- is produced under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing specifications such as assay (HPLC), related substances, and residual solvents are provided and available upon request, supporting compliance in cGMP-aligned applications.

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
Assay (HPLC)	≥ 98.0%
Related Substances (HPLC)	Total impurities ≤ 2.0%
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.