Description

2(1H)-Pyrimidinone,3,4-Dihydro-4-Hydroxy-1-Methyl-(9Ci) CAS NO 205926-76-7 is a high-purity, specialized heterocyclic building block of significant interest in advanced organic synthesis. This compound matters as a key intermediate for constructing complex molecular architectures, particularly in the development of novel active pharmaceutical ingredients (APIs) and agrochemicals. It is primarily needed by research and development chemists, process development scientists, and manufacturers in the pharmaceutical, agrochemical, and fine chemical industries seeking to innovate and scale new synthetic pathways.

Application

• Pharmaceutical Intermediate: A critical precursor in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders, antiviral agents, and enzyme inhibitors.
• Agrochemical Synthesis: Serves as a key building block for developing new-generation herbicides, fungicides, and plant growth regulators with enhanced efficacy.
• Fine Chemical Production: Used in the manufacture of complex specialty chemicals, dyes, and advanced materials requiring specific heterocyclic frameworks.
• Academic & Contract Research: An essential reagent for methodological research in organic chemistry, enabling the exploration of new cyclization and functionalization reactions.
• Bioconjugate Chemistry: Potential utility in creating labeled compounds or probes for biochemical and diagnostic applications due to its modifiable structure.

Basic Information

Product Name	2(1H)-Pyrimidinone,3,4-Dihydro-4-Hydroxy-1-Methyl-(9Ci)
CAS No.	205926-76-7
Molecular Formula	C5H8N2O2
Molecular Weight	128.13 g/mol
Synonyms	4-Hydroxy-1-methyl-3,4-dihydro-2(1H)-pyrimidinone; 1-Methyl-4-hydroxy-3,4-dihydropyrimidin-2(1H)-one; 4-Hydroxy-1-methyl-3,4-dihydro-2(1H)-pyrimidinone (9CI); 3,4-Dihydro-4-hydroxy-1-methyl-2(1H)-pyrimidinone; 1-Methyl-4-hydroxydihydrouracil; 4-Hydroxy-1-methyldihydrouracil; Dihydro-4-hydroxy-1-methyl-2(1H)-pyrimidinone
EINECS	Contact for details

Quality Control

Our 2(1H)-Pyrimidinone,3,4-Dihydro-4-Hydroxy-1-Methyl-(9Ci) is produced under strict quality management systems to ensure batch-to-batch consistency and high purity. Each lot undergoes rigorous analytical testing, including HPLC for assay and purity, residual solvent analysis, and identity confirmation. A comprehensive Certificate of Analysis (COA) detailing all specifications and test results is provided with every shipment to support your quality assurance and regulatory needs.

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 nature, the container must be kept tightly sealed after opening to minimize exposure to atmospheric moisture. For long-term storage, consider using desiccants.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Purity (HPLC)	≥ 97.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm
Residual Solvents (GC)	Meets ICH Q3C guidelines

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