Description

Methyl 5-(Chloromethyl)-7-Hydroxypyrazolo[1,5-A]-Pyrimidine-3-Carboxylate is a high-purity, advanced pharmaceutical intermediate with a defined molecular structure. This compound is critical for the synthesis of complex active pharmaceutical ingredients (APIs), particularly in therapeutic areas requiring targeted molecular scaffolds. It is primarily utilized by research institutions and pharmaceutical manufacturers engaged in the development of novel drug candidates, where consistent quality and reliable supply are paramount.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of complex heterocyclic APIs, especially for central nervous system (CNS) and anti-infective drug candidates.
• Organic Synthesis Research: Used in academic and industrial R&D for constructing novel pyrazolo[1,5-a]pyrimidine derivatives with potential biological activity.
• Agrochemical Development: Serves as a precursor in the research and development of new-generation pesticides and herbicides.
• Material Science: Investigated for the creation of specialized organic compounds with unique electronic or photophysical properties.

Basic Information

Product Name	Methyl 5-(Chloromethyl)-7-Hydroxypyrazolo[1,5-A]-Pyrimidine-3-Carboxylate
CAS No.	656818-50-7
Molecular Formula	C9H8ClN3O3
Molecular Weight	241.63 g/mol
Synonyms	Methyl 5-(chloromethyl)-7-hydroxy-1H-pyrazolo[1,5-a]pyrimidine-3-carboxylate; 7-Hydroxy-5-(chloromethyl)pyrazolo[1,5-a]pyrimidine-3-carboxylic acid methyl ester; 656818-50-7; Pyrazolo[1,5-a]pyrimidine-3-carboxylic acid, 5-(chloromethyl)-7-hydroxy-, methyl ester
EINECS	Contact for details

Quality Control

Our production of Methyl 5-(Chloromethyl)-7-Hydroxypyrazolo[1,5-A]-Pyrimidine-3-Carboxylate adheres to stringent quality management protocols to ensure batch-to-batch consistency and high purity. Each lot is fully characterized and tested against rigorous internal specifications. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles 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 area at a controlled room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed to minimize exposure to atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (HPLC/IR)	Conforms to reference standard
Assay (HPLC)	≥ 98.0%
Related Substances (HPLC)	Total impurities ≤ 2.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%

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