7-Hydroxy-3,4-dihydro-2(1H)-quinolinone

CAS 22246-18-0C9H9NO2Chemical Synthesis

7-Hydroxy-3,4-dihydro-2(1H)-quinolinone (CAS 22246-18-0) is a heterocyclic organic compound with the molecular formula C9H9NO2 and a molecular weight of 163.17 g/mol. This chemical serves as a valuable building block in organic synthesis, particularly within the pharmaceutical and fine chemical industries. Its structure lends itself to further functionalization, making it a useful intermediate in the development of complex molecules and novel chemical entities.

IUPAC: 7-Hydroxy-1,2,3,4-tetrahydro-2-quinolinone,7-Hydroxy-3,4-dihydrocarbostyril
Synonyms: 7-Hydroxy-1,2,3,4-tetrahydro-2-quinolinone7-Hydroxy-3,4-dihydrocarbostyril

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7-Hydroxy-3,4-dihydro-2(1H)-quinolinone (C9H9NO2) — chemical structure, CAS 22246-18-0; Chemistry, fine chemical supplied by Tech Serve Solutions

Building BlocksC8 to C10Chemical SynthesisHeterocyclic Building BlocksQuinolines

01 /Applications

Pharmaceutical Intermediate

This compound is utilised as an intermediate in the synthesis of active pharmaceutical ingredients (APIs). Its quinolinone core is present in various biologically active molecules.

Organic Synthesis Building Block

As a versatile building block, 7-Hydroxy-3,4-dihydro-2(1H)-quinolinone can be incorporated into diverse synthetic pathways. It is particularly useful for constructing heterocyclic ring systems.

Research and Development

Researchers employ this chemical in laboratories for the exploration of new chemical reactions and the development of novel compounds with potential applications in materials science or medicinal chemistry.

02 /Properties

Molecular weight	163.17
Empirical formula	C9H9NO2
Assay	97%
Melting point	233-237 °C

03 /Safety & handling

GHS hazard pictogram: Harmful / irritant (GHS07) — Harmful / irritant

Warning

Hazard statements

H302Harmful if swallowed
H317May cause an allergic skin reaction

Precautionary statements

P280Wear protective gloves, clothing and eye/face protection

Protective equipment	dust mask type N95 (US), Eyeshields, Faceshields, Gloves
Water hazard class (WGK, DE)	3
Hazard codes (EU)	Xn
Risk statements (R)	22-43
Safety statements (S)	36/37

Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.

04 /Identifiers & registry

CAS number

22246-18-0

MDL number

MFCD06410891

PubChem substance

24885275

05 /Quality & supply

Documentation

Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.

Supply & logistics

Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.

06 /Frequently asked questions

What is 7-Hydroxy-3,4-dihydro-2(1H)-quinolinone used for?

7-Hydroxy-3,4-dihydro-2(1H)-quinolinone (CAS 22246-18-0) is primarily used as a building block in organic synthesis, particularly in the pharmaceutical and fine chemical industries for the development of complex molecules.

What is the CAS number and chemical formula for 7-Hydroxy-3,4-dihydro-2(1H)-quinolinone?

The CAS number is 22246-18-0 and the empirical formula (Hill notation) is C9H9NO2.

What grade and purity does Tech Serve Solutions supply?

Tech Serve Solutions supplies 7-Hydroxy-3,4-dihydro-2(1H)-quinolinone with an assay of 97%. We do not represent this product as USP, BP, EP, or any pharmacopoeia grade.

What are the safety considerations when handling 7-Hydroxy-3,4-dihydro-2(1H)-quinolinone?

This compound is classified as Harmful if swallowed (H302) and may cause an allergic skin reaction (H317). Appropriate personal protective equipment including a dust mask (N95), eyeshields, face shields, and gloves should be used. Handle in a well-ventilated area and avoid dust formation.