Description

Ethyl 5-Hydroxy-2-Methylpyrazolo[1,5-A]Pyrimidine-6-Carboxylate is a high-purity pyrazolopyrimidine derivative, a crucial heterocyclic building block in advanced organic synthesis. This compound matters for its role as a key synthetic intermediate in the development of novel active pharmaceutical ingredients (APIs) and agrochemicals. It is primarily needed by research and development teams in the pharmaceutical, agrochemical, and fine chemical industries seeking to create new molecules with targeted biological activity.

Application

• Pharmaceutical Intermediate: A critical building block for the synthesis of novel drug candidates, particularly in therapeutic areas requiring pyrazolopyrimidine scaffolds.
• Agrochemical Research: Used in the development of new herbicides, fungicides, and insecticides, leveraging its heterocyclic structure for bioactivity.
• Fine Chemical Synthesis: Serves as a versatile precursor for creating complex molecules in custom synthesis and process development.
• Academic & Industrial R&D: Essential for medicinal chemistry programs and material science research exploring new chemical entities.
• Chemical Reference Standard: Employed as a high-purity standard for analytical method development and quality control in related manufacturing processes.

Basic Information

Product Name	Ethyl 5-Hydroxy-2-Methylpyrazolo[1,5-A]Pyrimidine-6-Carboxylate
CAS No.	739366-01-9
Molecular Formula	C11H11N3O3
Molecular Weight	233.22 g/mol
Synonyms	Ethyl 5-hydroxy-2-methylpyrazolo[1,5-a]pyrimidine-6-carboxylate; 5-Hydroxy-2-methylpyrazolo[1,5-a]pyrimidine-6-carboxylic acid ethyl ester; 2-Methyl-5-oxo-4,5-dihydropyrazolo[1,5-a]pyrimidine-6-carboxylic acid ethyl ester; Ethyl 2-methyl-5-oxo-4,5-dihydropyrazolo[1,5-a]pyrimidine-6-carboxylate; Pyrazolo[1,5-a]pyrimidine-6-carboxylic acid, 5-hydroxy-2-methyl-, ethyl ester; 739366-01-9
EINECS	Contact for details

Quality Control

Our Ethyl 5-Hydroxy-2-Methylpyrazolo[1,5-A]Pyrimidine-6-Carboxylate is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets the high standards required for research and development applications. Certificates of Analysis (COA) detailing batch-specific results are available upon request to support your quality assurance protocols.

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). This product is hygroscopic (moisture-sensitive); keep the container tightly sealed to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm

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