Description

5-Methyl-7-Trifluoromethyl-Pyrazolo[1,5-A]Pyrimidine-3-Carboxylic Acid Methyl Ester is a high-value, multi-functional heterocyclic building block critical for advanced organic synthesis. Its core value lies in its unique pyrazolopyrimidine scaffold, which is extensively utilized in the development of novel active pharmaceutical ingredients (APIs) and agrochemicals. This compound is primarily sought by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and specialty chemical industries for creating compounds with targeted biological activity.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of kinase inhibitors, antiviral agents, and other small-molecule therapeutics targeting complex diseases.
• Agrochemical Research: Serves as a core scaffold for developing new generation herbicides, fungicides, and insecticides with improved efficacy and selectivity.
• Chemical Biology Probe Development: Used to create tool compounds for studying enzyme function and cellular signaling pathways in academic and industrial research.
• Material Science: Potential building block for advanced organic electronic materials and functional polymers due to its electron-deficient trifluoromethylated heterocyclic structure.
• Custom Synthesis & Contract Manufacturing: Supplied to CDMOs (Contract Development and Manufacturing Organizations) for client-specific synthesis projects requiring this specialized heterocycle.

Basic Information

Product Name	5-Methyl-7-Trifluoromethyl-Pyrazolo[1,5-A]Pyrimidine-3-Carboxylic Acid Methyl Ester
CAS No.	676640-03-2
Molecular Formula	C11H9F3N4O2
Molecular Weight	286.21 g/mol
Synonyms	Methyl 5-methyl-7-(trifluoromethyl)pyrazolo[1,5-a]pyrimidine-3-carboxylate; 5-Methyl-7-trifluoromethylpyrazolo[1,5-a]pyrimidine-3-carboxylic acid methyl ester; Pyrazolo[1,5-a]pyrimidine-3-carboxylic acid, 5-methyl-7-(trifluoromethyl)-, methyl ester; 676640-03-2; 5-Methyl-7-(trifluoromethyl)pyrazolo[1,5-a]pyrimidine-3-carboxylic Acid Methyl Ester
EINECS	Contact for details

Quality Control

Our production of 5-Methyl-7-Trifluoromethyl-Pyrazolo[1,5-A]Pyrimidine-3-Carboxylic Acid Methyl Ester adheres to stringent quality management systems to ensure batch-to-batch consistency and high purity for research and development applications. All batches are fully characterized and undergo rigorous analytical testing. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with each shipment to support your regulatory and quality documentation needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at controlled room temperature (15-25°C). Keep away from incompatible materials such as strong oxidizing agents, strong acids, and strong bases.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference standard
Purity (HPLC)	≥ 98.0%
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.