Description

4-Amino-2-Mercaptopyrimidine-5-Carboxylic Acid is a versatile heterocyclic building block with significant synthetic utility in advanced organic chemistry. This compound is valued for its bifunctional structure, featuring both amino and mercapto groups on a pyrimidine carboxylic acid scaffold, enabling its use in the synthesis of complex molecules. It is primarily sought by research institutions and manufacturers in the pharmaceutical and agrochemical sectors for developing active ingredients and novel chemical entities.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of nucleoside analogs, antiviral agents, and other active pharmaceutical ingredients (APIs).
• Agrochemical Synthesis: Used in the research and development of novel herbicides, fungicides, and plant growth regulators.
• Chemical Research: Serves as a versatile building block in medicinal chemistry and organic synthesis for constructing complex heterocyclic systems.
• Ligand and Chelating Agent: Potential application in coordination chemistry due to its multiple donor atoms (N, S, O).
• Material Science: Investigated for use in the development of specialty polymers and functional materials.

Basic Information

Product Name	4-Amino-2-Mercaptopyrimidine-5-Carboxylic Acid
CAS No.	875-60-5
Molecular Formula	C5H5N3O2S
Molecular Weight	171.18 g/mol
Synonyms	5-Carboxy-2-mercapto-4-aminopyrimidine; 4-Amino-2-thioxo-1,2-dihydropyrimidine-5-carboxylic acid; 2-Mercapto-4-aminopyrimidine-5-carboxylic acid; 4-Amino-2-pyrimidinethiol-5-carboxylic acid; 4-Amino-5-carboxy-2-mercaptopyrimidine; 2-Thio-4-aminopyrimidine-5-carboxylic acid; 4-Amino-2-sulfanylpyrimidine-5-carboxylic acid
EINECS	212-875-8

Quality Control

Our 4-Amino-2-Mercaptopyrimidine-5-Carboxylic Acid is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. We provide a detailed Certificate of Analysis (COA) with every shipment, which includes results from HPLC, NMR, and other relevant tests. Our quality commitment ensures the material meets the high standards required for research and commercial synthesis.

Storage

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

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Purity (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.