Description

9H-Pyrazolo[4,3-B]Quinolin-9-One,6-Ethyl-1,4-Dihydro-1-Methyl-(9Ci) is a high-purity, advanced pharmaceutical intermediate belonging to the fused heterocyclic compound class. This compound is valued for its role as a critical building block in the synthesis of novel active pharmaceutical ingredients (APIs), particularly in therapeutic areas requiring complex molecular architectures. It is primarily sought by research institutions and manufacturers in the pharmaceutical and biotechnology sectors for drug discovery and development programs.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel drug candidates, especially those targeting central nervous system (CNS) disorders and oncology.
• Organic Synthesis Building Block: Used in research-scale and process chemistry for constructing complex polycyclic frameworks common in modern medicinal chemistry.
• Chemical Reference Standard: Serves as a high-purity standard for analytical method development, validation, and quality control in API manufacturing.
• Academic & Industrial R&D: Employed in exploratory research to study structure-activity relationships (SAR) and develop new synthetic methodologies.
• Agrochemical Research: Potential application as an intermediate in the development of new crop protection agents with specific biological activity.

Basic Information

Product Name	9H-Pyrazolo[4,3-B]Quinolin-9-One,6-Ethyl-1,4-Dihydro-1-Methyl-(9Ci)
CAS No.	499790-76-0
Molecular Formula	C₁₃H₁₃N₃O
Molecular Weight	227.26 g/mol
Synonyms	6-Ethyl-1-methyl-1,4-dihydro-9H-pyrazolo[4,3-b]quinolin-9-one; 6-Ethyl-1-methyl-1,4-dihydropyrazolo[4,3-b]quinolin-9-one; 1-Methyl-6-ethyl-1,4-dihydro-9H-pyrazolo[4,3-b]quinolin-9-one; Pyrazolo[4,3-b]quinolin-9-one, 6-ethyl-1,4-dihydro-1-methyl-; 499790-76-0; 9H-Pyrazolo[4,3-b]quinolin-9-one, 6-ethyl-1,4-dihydro-1-methyl-; CAS 499790-76-0
EINECS	Contact for details

Quality Control

Our 9H-Pyrazolo[4,3-B]Quinolin-9-One,6-Ethyl-1,4-Dihydro-1-Methyl-(9Ci) 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 stringent requirements for pharmaceutical R&D. A detailed Certificate of Analysis (COA) is provided with every shipment to guarantee traceability and compliance with your specifications.

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). Keep away from incompatible materials. For long-term storage, consider an inert atmosphere to maintain optimal stability.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline 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
Residual Solvents (GC)	Complies with ICH Q3C guidelines

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