Description

Pyrano[4,3-C]Pyrazole-3-Carboxylic Acid, 1,4,6,7-Tetrahydro- (9Ci) is a high-purity heterocyclic carboxylic acid building block of significant interest in advanced organic synthesis. This compound is valued for its rigid, fused bicyclic structure which serves as a critical scaffold in medicinal chemistry and materials science research. It is primarily sought after by pharmaceutical R&D teams and fine chemical manufacturers for developing novel active pharmaceutical ingredients (APIs) and functional materials.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders and inflammatory pathways.
• Agrochemical Research: Used as a core structure for developing new-generation herbicides and fungicides with enhanced activity and selectivity.
• Organic Light-Emitting Diode (OLED) Materials: Serves as an electron-transport or host material precursor due to its fused ring system and potential for functionalization.
• Ligand Synthesis in Catalysis: Employed to construct complex, chelating ligands for transition metal catalysts used in asymmetric synthesis.
• Academic & Institutional Research: A valuable reagent for studying heterocyclic chemistry, reaction mechanisms, and structure-activity relationships (SAR).
• Custom Synthesis & Contract Manufacturing: Supplied to CDMOs (Contract Development and Manufacturing Organizations) for bespoke synthesis projects requiring specialized bicyclic frameworks.

Basic Information

Product Name	Pyrano[4,3-C]Pyrazole-3-Carboxylic Acid, 1,4,6,7-Tetrahydro- (9Ci)
CAS No.	518990-20-0
Molecular Formula	C7H6N2O3
Molecular Weight	166.14 g/mol
Synonyms	1,4,6,7-Tetrahydropyrano[4,3-c]pyrazole-3-carboxylic acid; 4,7-Dihydro-1H-pyrano[4,3-c]pyrazole-3-carboxylic acid; Pyrano[4,3-c]pyrazole-3-carboxylic acid, 1,4,6,7-tetrahydro-; Tetrahydro-1H-pyrano[4,3-c]pyrazole-3-carboxylic acid; 518990-20-0; SCHEMBL2182731; ZINC000253909991; AKOS040759232.
EINECS	Contact for details

Quality Control

Our Pyrano[4,3-C]Pyrazole-3-Carboxylic Acid is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity, NMR and IR for structural confirmation, and residual solvent analysis to ensure it meets the exacting standards required for research and development. A detailed Certificate of Analysis (COA) is provided with every shipment, guaranteeing traceability and consistent quality.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). The compound may be hygroscopic; keep the container tightly sealed in a dry environment to prevent moisture absorption.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 1.0%
Residual Solvents (GC)	Complies with ICH guidelines

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