Description

2-Mercapto-4-Hydroxy-5,6-Diaminopyrimidine is a versatile heterocyclic organic compound featuring a pyrimidine core substituted with multiple functional groups. This unique structure makes it a critical intermediate in the synthesis of complex molecules, particularly in the pharmaceutical and agrochemical sectors. It is essential for researchers and manufacturers developing active pharmaceutical ingredients (APIs), nucleoside analogs, and specialty fine chemicals.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of antiviral and anticancer drugs, particularly nucleoside analogs and enzyme inhibitors.
• Agrochemical Synthesis: Used in the production of advanced pesticides, herbicides, and plant growth regulators.
• Fine Chemical Production: Serves as a precursor for dyes, pigments, and other specialty organic compounds.
• Biochemical Research: Employed as a reagent in biochemical studies and for the development of diagnostic agents.
• Material Science: Investigated for use in the synthesis of organic electronic materials and metal-organic frameworks (MOFs).

Basic Information

Item	Detail
Product Name	2-Mercapto-4-Hydroxy-5,6-Diaminopyrimidine
CAS No.	1004-76-8
Molecular Formula	C4H6N4OS
Molecular Weight	158.18 g/mol
Synonyms	5,6-Diamino-2-mercapto-4-pyrimidinol; 5,6-Diamino-4-hydroxy-2-mercaptopyrimidine; 2-Thio-5,6-diamino-4-pyrimidinol; 4-Hydroxy-5,6-diamino-2-mercaptopyrimidine; 2-Mercapto-4,5,6-triaminopyrimidine (tautomer); 5,6-Diamino-2-thioxo-1,2-dihydro-4-pyrimidinol; 2-Thioxo-5,6-diamino-1,2-dihydro-4-pyrimidinol
EINECS	213-713-4

Quality Control

Our 2-Mercapto-4-Hydroxy-5,6-Diaminopyrimidine is produced under a strict quality management system. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets the high standards required for pharmaceutical and fine chemical synthesis. Certificates of Analysis (COA) documenting full specifications are provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and easily oxidized; for long-term storage, consider keeping the container under an inert atmosphere such as nitrogen or argon.

Specification

Item	Specification
Appearance	Yellow to light brown crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm

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