Description

3-Quinolinecarboxylic Acid, 1-Cyclopropyl-6-Fluoro-1,4-Dihydro-8-Methoxy-7-[(4As,7As)-Octahydro-1H-Pyrrolo[3,4-B]Pyridin-1-Yl]-4-Oxo- is a high-purity, advanced pharmaceutical intermediate with a complex heterocyclic structure. This compound is of significant commercial interest for its role as a key building block in the synthesis of novel active pharmaceutical ingredients (APIs). It is primarily required by research institutions and pharmaceutical manufacturers engaged in the development of next-generation therapeutics, particularly in the anti-infective and specialty drug sectors.

Application

• Pharmaceutical Intermediate: Serves as a critical precursor in the synthesis of novel fluoroquinolone and related antibiotic candidates.
• Active Pharmaceutical Ingredient (API) Development: Used in research and process development for new chemical entities targeting bacterial infections.
• Chemical Synthesis Research: Employed in academic and industrial R&D for constructing complex polycyclic molecular frameworks.
• Process Chemistry & Scale-Up: A key material for optimizing synthetic routes and scaling production from laboratory to pilot plant scale.
• Reference Standard: Can be supplied as a high-purity standard for analytical method development and quality control in API manufacturing.

Basic Information

Item	Details
Product Name	3-Quinolinecarboxylic Acid, 1-Cyclopropyl-6-Fluoro-1,4-Dihydro-8-Methoxy-7-[(4As,7As)-Octahydro-1H-Pyrrolo[3,4-B]Pyridin-1-Yl]-4-Oxo-
CAS No.	2489671-12-5
Molecular Formula	C21H24FN3O4
Molecular Weight	401.44 g/mol
Synonyms	1-Cyclopropyl-6-fluoro-8-methoxy-7-[(4aS,7aS)-octahydro-1H-pyrrolo[3,4-b]pyridin-1-yl]-4-oxo-1,4-dihydroquinoline-3-carboxylic acid; (4aS,7aS)-1-(1-Cyclopropyl-6-fluoro-8-methoxy-4-oxo-1,4-dihydroquinolin-7-yl)octahydro-1H-pyrrolo[3,4-b]pyridine-6-carboxylic acid (tautomeric form); Advanced Fluoroquinolone Intermediate; Octahydropyrrolopyridine-quinolone derivative; Contact for additional synonyms.
EINECS	Contact for details

Quality Control

Our 3-Quinolinecarboxylic Acid derivative is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets the exacting standards required for pharmaceutical R&D and production. Certificates of Analysis (COA) with full traceability are provided for every shipment, and we can support development with custom purity grades upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). This compound is hygroscopic (moisture-sensitive); the container must be kept tightly sealed in a dry environment to prevent degradation. For long-term storage, consider using desiccants.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Assay (HPLC)	≥97.0%
Related Substances (HPLC)	Total impurities ≤3.0% Any single unknown impurity ≤0.5%
Water Content (KF)	≤1.0%
Residue on Ignition	≤0.1%

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