Intermediates

7-Hydroxy-1H-quinolin-2-one

  • CAS No.70500-72-0
  • GradeIndustrial / Pharmaceutical
  • Availability● In Stock

High-purity 7-Hydroxy-1H-quinolin-2-one (CAS 70500-72-0), a key pharmaceutical intermediate for advanced CNS drug synthesis.

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Product Technical Details

Product Overview

7-Hydroxy-1H-quinolin-2-one is a high-value heterocyclic organic compound widely utilized as a critical building block in modern pharmaceutical manufacturing. With the CAS registry number 70500-72-0, this molecule features a fused quinoline core substituted with hydroxyl and carbonyl functionalities at positions 7 and 2, respectively, conferring unique reactivity and selectivity in synthetic pathways. It serves as an essential intermediate in the production of complex central nervous system (CNS) therapeutics, including the atypical antipsychotic Brexpiprazole (CAS 913611-97-9).

Specifications

Molecular FormulaC9H7NO2
Molecular Weight161.16 g/mol
AppearanceWhite powder
Purity≥98.0%
Loss on Drying≤0.5%
Melting Point234–238°C
Density1.282 g/cm³
Boiling Point403.7°C at 760 mmHg
Flash Point198°C
Refractive Index1.604

Industrial Applications

As a specialized intermediate, 7-Hydroxy-1H-quinolin-2-one plays a pivotal role in multi-step syntheses of neuropharmacological agents. Its structural motif enables efficient derivatization for structure-activity relationship (SAR) studies and scale-up campaigns under GMP-compliant conditions. The compound is not intended for direct therapeutic use but is strictly employed in controlled R&D and commercial API manufacturing environments.

Key advantages of our offering include:

  • Consistent batch-to-batch quality with rigorous analytical validation (HPLC, NMR, MS)
  • Compliance with international regulatory standards for chemical intermediates
  • Optimized packaging and storage protocols to ensure stability during transit and warehousing

Handling and Storage

This product must be stored in a cool, dry, and well-closed container under refrigerated conditions (2–8°C). Protect from moisture, direct sunlight, and sources of heat or ignition. Use appropriate personal protective equipment (PPE) during handling in accordance with institutional safety guidelines.