Description

5-Pyrimidinol, 4-Amino-2-Methyl- (8Ci,9Ci) CAS NO 20783-19-1 is a high-purity pyrimidine derivative, a crucial heterocyclic building block in advanced organic synthesis. Its value lies in its role as a versatile intermediate for constructing complex molecular architectures, particularly in the development of active pharmaceutical ingredients (APIs) and specialty agrochemicals. This compound is essential for R&D chemists and process development scientists in the pharmaceutical, agrochemical, and fine chemical industries seeking reliable, high-quality intermediates for their synthesis pipelines.

Application

• Pharmaceutical Intermediate: A key synthon in the synthesis of nucleoside analogs, antiviral agents, and other therapeutic compounds targeting various disease pathways.
• Agrochemical Synthesis: Used in the research and production of novel herbicides, fungicides, and plant growth regulators that require a functionalized pyrimidine core.
• Fine Chemical Production: Serves as a versatile building block for creating complex molecules used in dyes, pigments, and advanced material science applications.
• Biochemical Research: Employed as a standard or reagent in biochemical studies and as a precursor for labeled compounds used in metabolic research.
• Academic & Industrial R&D: A fundamental material for method development and exploratory synthesis in medicinal chemistry and chemical biology laboratories worldwide.

Basic Information

Product Name	5-Pyrimidinol, 4-Amino-2-Methyl- (8Ci,9Ci) CAS NO 20783-19-1
CAS No.	20783-19-1
Molecular Formula	C5H7N3O
Molecular Weight	125.13 g/mol
Synonyms	4-Amino-2-methylpyrimidin-5-ol; 2-Methyl-4-amino-5-pyrimidinol; 4-Amino-2-methyl-5-pyrimidinol; 5-Hydroxy-2-methyl-4-aminopyrimidine; 4-Amino-2-methyl-5-hydroxypyrimidine; 2-Methyl-4-aminopyrimidin-5-ol; 4-Amino-2-methyl-5(1H)-pyrimidinone
EINECS	Contact for details

Quality Control

Our 5-Pyrimidinol, 4-Amino-2-Methyl- is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including HPLC for assay and purity, and is supplied with a corresponding Certificate of Analysis (COA). We adhere to cGMP principles where applicable, and our quality commitment ensures the material meets the stringent requirements for pharmaceutical and fine chemical synthesis. Certificates of Analysis (COA) are available upon request.

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). The compound may be hygroscopic (moisture-sensitive); keep the container tightly sealed to minimize exposure to atmospheric 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%
Related Substances (HPLC)	Individual impurity ≤ 0.5%; Total impurities ≤ 1.5%

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