Description

Ethyl 7-Thien-2-Ylpyrazolo[1,5-A]Pyrimidine-3-Carboxylate is a high-purity, advanced pharmaceutical intermediate belonging to the pyrazolopyrimidine class of heterocyclic compounds. This compound serves as a critical building block in the synthesis of novel active pharmaceutical ingredients (APIs), particularly for targeted therapies. It is essential for research and development chemists in the pharmaceutical, agrochemical, and fine chemical industries seeking to develop new molecular entities with potential biological activity.

Application

• Pharmaceutical Intermediate: A key precursor in the research and synthesis of new drug candidates, especially kinase inhibitors and other targeted small-molecule therapeutics.
• Agrochemical Research: Used in the development of novel pesticides and herbicides, leveraging its heterocyclic core for bioactivity.
• Chemical Biology & Medicinal Chemistry: Serves as a versatile scaffold for structure-activity relationship (SAR) studies and library synthesis in drug discovery programs.
• Fine Chemical Synthesis: Employed in multi-step organic syntheses to construct complex molecules for advanced material or specialty chemical applications.
• Academic & Contract Research: Utilized in university and CRO (Contract Research Organization) laboratories for fundamental research on heterocyclic chemistry and bioorganic mechanisms.

Basic Information

Product Name	Ethyl 7-Thien-2-Ylpyrazolo[1,5-A]Pyrimidine-3-Carboxylate
CAS No.	828279-28-3
Molecular Formula	C13H11N3O2S
Molecular Weight	273.31 g/mol
Synonyms	Ethyl 7-(thiophen-2-yl)pyrazolo[1,5-a]pyrimidine-3-carboxylate; 7-(2-Thienyl)pyrazolo[1,5-a]pyrimidine-3-carboxylic acid ethyl ester; Pyrazolo[1,5-a]pyrimidine-3-carboxylic acid, 7-(2-thienyl)-, ethyl ester; Ethyl 7-(2-thienyl)pyrazolo[1,5-a]pyrimidine-3-carboxylate; 828279-28-3; SCHEMBL2188307; AKOS025147324; BDBM50388895.
EINECS	Contact for details

Quality Control

Our Ethyl 7-Thien-2-Ylpyrazolo[1,5-A]Pyrimidine-3-Carboxylate is manufactured under strict quality management systems. Every 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 available upon request to support your quality assurance and regulatory documentation needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (typically 15-25°C). Keep away from incompatible materials. For long-term storage, consider inert atmosphere conditions to maintain optimal stability.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (HPLC)	Conforms
Identification (IR)	Conforms
Purity (HPLC)	≥ 98.0%
Related Substances (HPLC)	Total impurities ≤ 2.0%
Residual Solvents (GC)	Meets ICH Q3C guidelines
Loss on Drying	≤ 0.5%

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