Description

7-(2-Thienyl)Pyrazolo[1,5-A]Pyrimidine-3-Carboxylic Acid (Saltdata: Free) is a high-purity heterocyclic carboxylic acid derivative, serving as a critical advanced pharmaceutical intermediate. Its value lies in its unique fused pyrazolopyrimidine scaffold functionalized with a thienyl group, making it a versatile building block for targeted drug discovery. This compound is essential for research and development chemists in the pharmaceutical and agrochemical industries, particularly for synthesizing novel bioactive molecules.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of potential kinase inhibitors and other small-molecule therapeutic agents targeting various diseases.
• Agrochemical Research: Used in the development of new active ingredients for crop protection products, leveraging its heterocyclic structure.
• Chemical Biology Probe: Serves as a scaffold for creating molecular probes to study biological pathways and protein functions.
• Material Science Research: Investigated as a potential organic semiconductor precursor or ligand for metal-organic frameworks (MOFs) due to its conjugated system.
• Custom Synthesis & Contract Manufacturing: Supplied to CDMOs (Contract Development and Manufacturing Organizations) for client-specific R&D projects requiring complex heterocycles.

Basic Information

Product Name	7-(2-Thienyl)Pyrazolo[1,5-A]Pyrimidine-3-Carboxylic Acid (Saltdata: Free)
CAS No.	676247-93-1
Molecular Formula	C11H7N3O2S
Molecular Weight	245.26 g/mol
Synonyms	7-(Thiophen-2-yl)pyrazolo[1,5-a]pyrimidine-3-carboxylic acid; 7-(2-Thienyl)pyrazolo[1,5-a]pyrimidine-3-carboxylic acid; 7-(Thiophen-2-yl)-1H-pyrazolo[1,5-a]pyrimidine-3-carboxylic acid; 7-(2-Thienyl)-1H-pyrazolo[1,5-a]pyrimidine-3-carboxylic acid; 676247-93-1; Pyrazolo[1,5-a]pyrimidine-3-carboxylic acid, 7-(2-thienyl)-; 7-(2-Thienyl)-1,5-dihydropyrazolo[1,5-a]pyrimidine-3-carboxylic acid
EINECS	Contact for details

Quality Control

Our 7-(2-Thienyl)Pyrazolo[1,5-A]Pyrimidine-3-Carboxylic Acid is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation via spectroscopic methods, to ensure it meets the high standards required for research and development applications. Certificates of Analysis (COA) with detailed specifications are provided for every shipment to guarantee traceability and consistency.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (typically 15-25°C). The product is compatible with strong acids and organic solvents but should be handled accordingly. Keep away from incompatible materials and sources of ignition.

Specification

Item	Specification
Appearance	Off-white to light yellow powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference
Purity (HPLC)	≥ 97.0%
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.