Description

2,4(1H,3H)-Pyrimidinedione, 1-Ethynyl-5-Methyl- (9Ci) CAS NO 141299-25-4 is a specialized pyrimidine derivative, a high-value chemical intermediate prized for its unique molecular architecture. This compound matters for its role as a key building block in advanced organic synthesis, enabling the development of novel compounds with targeted properties. It is primarily needed by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and material science industries for creating new active ingredients and functional molecules.

Application

• Pharmaceutical Intermediate: Serves as a crucial precursor in the synthesis of novel nucleoside analogs, antiviral agents, and other bioactive heterocyclic compounds.
• Agrochemical Research: Used in developing new classes of herbicides, fungicides, and plant growth regulators that require a modified pyrimidine core.
• Material Science: Acts as a monomer or functionalizing agent in the creation of specialty polymers, dyes, and organic electronic materials.
• Academic & Industrial R&D: A valuable reagent for methodological studies in organic chemistry, particularly in alkyne and heterocycle chemistry.
• Chemical Biology Probe Development: Utilized to create molecular probes for studying enzymatic processes and biological pathways due to its ethynyl handle for "click chemistry" modifications.

Basic Information

Product Name	2,4(1H,3H)-Pyrimidinedione, 1-Ethynyl-5-Methyl- (9Ci)
CAS No.	141299-25-4
Molecular Formula	C7H6N2O2
Molecular Weight	150.14 g/mol
Synonyms	1-Ethynyl-5-methylpyrimidine-2,4(1H,3H)-dione; 5-Methyl-1-ethynyluracil; 1-Ethynyl-5-methyluracil; 1-Ethynyl-5-methyl-2,4(1H,3H)-pyrimidinedione; 5-Methyl-1-ethynyl-2,4-dihydroxypyrimidine; NSC 339586
EINECS	Contact for details

Quality Control

Our 2,4(1H,3H)-Pyrimidinedione, 1-Ethynyl-5-Methyl- (9Ci) is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and MS, to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing all critical specifications. Our commitment to quality supports your research and development needs with reliable, high-purity material.

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 compound is light-sensitive (store away from light). For long-term storage, consider keeping the container under an inert atmosphere to maintain optimal purity.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 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.