Description

4-Chloro-2-Methylpyrido[3,4-D]Pyrimidine is a high-purity heterocyclic building block of significant importance in advanced organic synthesis. This compound serves as a critical intermediate for the development of novel pharmaceutical agents and agrochemicals, enabling the construction of complex molecular architectures. It is primarily utilized by research institutions and industrial R&D departments focused on medicinal chemistry and fine chemical manufacturing.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of kinase inhibitors and other targeted therapeutic small molecules.
• Agrochemical Research: Building block for developing new herbicides, fungicides, and plant growth regulators.
• Material Science: Used in the research of organic electronic materials and advanced polymers.
• Chemical Biology: Serves as a probe or ligand scaffold in biochemical assay development and target identification.
• Academic & Contract Research: Essential reagent for methodological studies in heterocyclic and medicinal chemistry.

Basic Information

Product Name	4-Chloro-2-Methylpyrido[3,4-D]Pyrimidine
CAS No.	101900-98-5
Molecular Formula	C9H6ClN3
Molecular Weight	191.62 g/mol
Synonyms	4-Chloro-2-methylpyrido[3,4-d]pyrimidine; 2-Methyl-4-chloropyrido[3,4-d]pyrimidine; 4-Chloro-2-methyl-7-azapteridine; Pyrido[3,4-d]pyrimidine, 4-chloro-2-methyl-; 101900-98-5
EINECS	Contact for details

Quality Control

Our 4-Chloro-2-Methylpyrido[3,4-D]Pyrimidine is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and mass spectrometry, to ensure identity, purity, and consistency. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with every shipment to guarantee compliance with your research and development requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (typically 15-25°C). Keep away from incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference
Purity (HPLC)	≥ 98.0%
Loss on Drying	≤ 0.5%
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.