Description

4-Oxo-5-(Thiophen-2-Ylmethyl)-4,5,6,7-Tetrahydropyrazolo[1,5-A]Pyrazine-3-Carboxylic Acid is a high-purity, advanced pharmaceutical intermediate with the CAS registry number 685106-60-9. This heterocyclic compound is valued for its complex molecular architecture, which serves as a critical building block in modern medicinal chemistry. It is primarily sought after by research institutions and pharmaceutical manufacturers engaged in the development of novel active pharmaceutical ingredients (APIs) and therapeutic agents.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel drug candidates, particularly in central nervous system (CNS) and oncology research.
• Medicinal Chemistry Research: Used as a versatile scaffold for structure-activity relationship (SAR) studies and lead optimization in drug discovery programs.
• Chemical Synthesis: Serves as a specialized building block for constructing complex fused heterocyclic systems with potential biological activity.
• Contract Research & Development (CRO/CMO): Supplied to organizations requiring high-quality, well-characterized intermediates for custom synthesis and process development.
• Academic Research: Utilized in universities and research institutes for studying novel organic reactions and synthesizing new chemical entities.

Basic Information

Product Name	4-Oxo-5-(Thiophen-2-Ylmethyl)-4,5,6,7-Tetrahydropyrazolo[1,5-A]Pyrazine-3-Carboxylic Acid
CAS No.	685106-60-9
Molecular Formula	C₁₅H₁₃N₃O₃S
Molecular Weight	315.35 g/mol
Synonyms	4-Oxo-5-(thiophen-2-ylmethyl)-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrazine-3-carboxylic acid; 5-(Thiophen-2-ylmethyl)-4-oxo-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrazine-3-carboxylic acid; Pyrazolo[1,5-a]pyrazine-3-carboxylic acid, 4,5,6,7-tetrahydro-5-(2-thienylmethyl)-4-oxo-; 685106-60-9; 4,5,6,7-Tetrahydro-5-(2-thienylmethyl)-4-oxopyrazolo[1,5-a]pyrazine-3-carboxylic acid
EINECS	Contact for details

Quality Control

Our 4-Oxo-5-(Thiophen-2-Ylmethyl)-4,5,6,7-Tetrahydropyrazolo[1,5-A]Pyrazine-3-Carboxylic Acid 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 stringent requirements for pharmaceutical research and development. Certificates of Analysis (COA) detailing all specifications and test results are provided and available upon request.

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). The product is sensitive to strong acids and organic solvents; ensure proper segregation in storage areas. Keep the container tightly sealed when not in use to protect from moisture.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Purity (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm

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