Description

1H-Pyrazolo[4,3-D]Pyrimidine, 5,7-Dichloro-1-Methyl- is a high-purity heterocyclic organic compound that serves as a critical building block in advanced pharmaceutical and agrochemical research. Its value lies in its unique pyrazolopyrimidine core, which is a privileged scaffold for designing potent and selective bioactive molecules. This intermediate is essential for medicinal chemists and process development scientists working in drug discovery and fine chemical synthesis.

Application

• Pharmaceutical Intermediate: A key synthetic precursor for the development of kinase inhibitors and other small-molecule therapeutics targeting various disease pathways.
• Agrochemical Research: Used in the synthesis of novel active ingredients for crop protection products, leveraging its heterocyclic structure for bioactivity.
• Chemical Biology Probe Development: Serves as a core structure for creating tool compounds to study enzyme function and cellular signaling processes.
• Fine Chemical Synthesis: Employed in custom synthesis and contract manufacturing for producing specialized, high-value chemical entities.
• Academic & Industrial R&D: Utilized in research laboratories for exploring new chemical reactions and developing novel synthetic methodologies.

Basic Information

Product Name	1H-Pyrazolo[4,3-D]Pyrimidine, 5,7-Dichloro-1-Methyl-
CAS No.	939979-32-5
Molecular Formula	C6H4Cl2N4
Molecular Weight	203.03 g/mol
Synonyms	5,7-Dichloro-1-methyl-1H-pyrazolo[4,3-d]pyrimidine; 1-Methyl-5,7-dichloro-1H-pyrazolo[4,3-d]pyrimidine; 5,7-Dichloro-1-methylpyrazolo[4,3-d]pyrimidine; Pyrazolo[4,3-d]pyrimidine, 5,7-dichloro-1-methyl-; 939979-32-5; 1-Methyl-5,7-dichloropyrazolo[4,3-d]pyrimidine
EINECS	Contact for details

Quality Control

Our 1H-Pyrazolo[4,3-D]Pyrimidine, 5,7-Dichloro-1-Methyl- is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC, NMR, and mass spectrometry, to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing all specifications are provided and can be tailored to meet specific client requirements for research or cGMP-grade material.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at controlled room temperature (15-25°C). Keep the container sealed to protect this light-sensitive material from moisture and atmospheric contaminants.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (HPLC)	Conforms
Identification (IR)	Conforms
Purity (HPLC)	≥ 98.0%
Water Content (KF)	≤ 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.