Description

Methyl Pyrazolo[1,5-A]Pyrimidine-3-Carboxylate 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 active pharmaceutical ingredients (APIs) and agrochemicals, enabling the construction of complex molecular architectures. It is primarily sought after by research institutions and industrial manufacturers in the pharmaceutical, agrochemical, and specialty chemical sectors for its versatile reactivity and role in creating new chemical entities.

Application

• Pharmaceutical Intermediate: A key synthon for the research and development of new drug candidates, particularly in kinase inhibitor and antiviral therapeutic areas.
• Agrochemical Synthesis: Used in the production of advanced crop protection agents, including herbicides and fungicides.
• Chemical Research: Serves as a versatile scaffold in medicinal chemistry for structure-activity relationship (SAR) studies and library synthesis.
• Material Science Precursor: Potential use in the synthesis of organic electronic materials and functional dyes.
• Contract Manufacturing: Supplied to CDMOs (Contract Development and Manufacturing Organizations) for custom synthesis projects.

Basic Information

Product Name	Methyl Pyrazolo[1,5-A]Pyrimidine-3-Carboxylate
CAS No.	384861-43-2
Molecular Formula	C8H7N3O2
Molecular Weight	177.16 g/mol
Synonyms	Methyl 1H-pyrazolo[1,5-a]pyrimidine-3-carboxylate; Methyl pyrazolo[1,5-a]pyrimidine-3-carboxylate; 1H-Pyrazolo[1,5-a]pyrimidine-3-carboxylic acid, methyl ester; Pyrazolo[1,5-a]pyrimidine-3-carboxylic acid methyl ester; 384861-43-2; Methyl 1H-pyrazolo[1,5-a]pyrimidine-3-carboxylate; Methyl 1H-Pyrazolo[1,5-a]pyrimidine-3-carboxylate
EINECS	Contact for details

Quality Control

Our Methyl Pyrazolo[1,5-A]Pyrimidine-3-Carboxylate 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. Certificates of Analysis (COA) are provided with every shipment, detailing all relevant specifications. We adhere to cGMP principles where applicable to support our clients in regulated industry segments.

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). Keep away from incompatible materials such as strong oxidizing agents. For long-term storage, consider storing under an inert atmosphere to maintain optimal stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (HPLC)	Conforms
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm
Related Substances (HPLC)	Individual impurity ≤ 0.5%; Total impurities ≤ 1.0%

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