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Home/Compounds/CAS 611-36-9
Formula C9H7NOMW 145.16Research-use catalog entryCOA/SDS by request

4-Hydroxyquinoline

CAS Number: 611-36-9

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Loading RDKit molecule structure...
InChIKey: PMZDQRJGMBOQBF-UHFFFAOYSA-NC9H7NO | MW 145.16

Chemical Absolute Identifiers

CAS Number

611-36-9

PubChem CID

69141

Molecular Formula

C9H7NO

Molecular Weight

145.16 g/mol

Exact Mass

145.052764

InChIKey

PMZDQRJGMBOQBF-UHFFFAOYSA-N

IUPAC Name

1H-quinolin-4-one

SMILES String

C1=CC=C2C(=C1)C(=O)C=CN2

Physical Properties

No physical property values available.

Properties are provided as catalog reference data and may be confirmed through supplier documentation when required.

Catalog Facts

Structural features

4-Hydroxyquinoline (CAS 611-36-9) is listed in the Pharmaceutical Intermediates portfolio, with molecular formula C9H7NO and molecular weight 145. 16 g/mol.

Sourcing context

Catalog reference for RFQ preparation, supplier confirmation, and research chemical sourcing review.

Research use context

Intended for research-stage medicinal chemistry and intermediate synthesis workflows; structure-derived tags include nitrogen-containing heterocycle.

Documentation needs

COA/SDS status, availability, lead time, pack size, and shipment documentation can be confirmed during quotation.

Applications & Classification

Pharmaceutical Intermediate ResearchResearch intermediateCustom synthesis building blockPharmaceutical intermediate researchResearch chemical sourcingCustom synthesis and catalog availability reviewCOA, SDS, pricing, and fulfillment workflow

Safety & Handling

Safety and handling reference content is available through documentation requests.

For supplier-issued SDS, request documentation before handling, storage, shipment, or procurement decisions.

Preliminary Safety Reference

For supplier-issued SDS or COA, submit a documentation request.

Safety Reference / SDS Request

Names & Synonyms / External Identifiers

Chemical Name

4-Hydroxyquinoline

Names & Synonyms

Kynurine4-Quinolinolquinolin-4(1H)-one4(1H)-Quinolinone4-Quinolone
Show all synonyms
Quinoline, 4-hydroxy-CCRIS 43294-Chinolinol1,4-dihydroquinolin-4-one4-hydroxy quinoline4-Oxoquinoline4(1H)-quinolone3kpu4-Hydroxyquatolate1H-quinoline-4one4-hydroxy-quinoline4-OXO-1,4-DIHYDROQUINOLINE
External Identifiers
EC NUMBER: 210-268-2DSSTOX SUBSTANCE ID: DTXSID50209980CHEMBL ID: CHEMBL1232567CHEBI ID: CHEBI:155900UNII: M1O131WXFOHMDB ID: HMDB0246466KEGG ID: C06343METABOLOMICS WORKBENCH ID: 50270WIKIDATA ID: Q27098240Quinolin-4-olquinoline-4-ol
Experimental Spectrum References
13C NMR Spectra15N NMR Spectra1D NMR Spectra1H NMR Spectra — Sigma-Aldrich Co. LLC.ATR-IR Spectra — Bio-Rad Laboratories, Inc.FTIR SpectraRaman Spectra — Bio-Rad Laboratories
Literature & Patent References
DOI 10.1016/j.ejmech.2017.05.015The relevance of Ki calculation for bi-substrate enzymes illustrated by kinetic evaluation of a novel lysine (K) acetyltransferase 8 inhibitor.PMID 28527406The relevance of Ki calculation for bi-substrate enzymes illustrated by kinetic evaluation of a novel lysine (K) acetyltransferase 8 inhibitor.DOI 10.1016/j.bmcl.2015.07.026Discovery of new acetylcholinesterase inhibitors with small core structures through shape-based virtual screening.PMID 26212777Discovery of new acetylcholinesterase inhibitors with small core structures through shape-based virtual screening.DOI 10.1016/j.bmc.2011.11.068Antioxidant properties of 4-quinolones and structurally related flavones.DOI 10.1021/ml30010064-quinolones as noncovalent inhibitors of high molecular mass penicillin-binding proteins.PMID 22197671Antioxidant properties of 4-quinolones and structurally related flavones.PMID 249005154-quinolones as noncovalent inhibitors of high molecular mass penicillin-binding proteins.

Documentation & Compliance Facts

Compliance Facts

Shipment review: Required

Documentation available by request

Certificate of Analysis (COA): By request

Supplier Safety Data Sheet (SDS): By request

Purity and pack size confirmation: By request

Availability and lead time review: Confirmed by RFQ

Shipment documentation review: By request

For supplier-issued documentation by request, use the RFQ actions on this page.Review preliminary safety reference

What happens after RFQ

  1. 1We review the CAS identity, quantity, and documentation request.
  2. 2We check sourcing options, supplier availability, COA/SDS, purity, pack size, and lead time.
  3. 3We review destination and shipment documentation needs when applicable.
  4. 4We follow up with a quotation or clarification request.

Text Reference Cues

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Non-public related references

3-Nitro-4-quinolinolCAS 50332-66-6
2-hydroxy-3-nitro-1H-quinolin-4-oneCAS 15151-57-2
2,4-Dichloro-3-nitroquinolineCAS 132521-66-5
4-Chloro-3-nitroquinolineCAS 39061-97-7

Non-public references are shown as text only and do not imply equivalence, availability, or shared use.

Catalog navigation

Related Catalog Entries

Other public CAS pages in this catalog. These links support navigation across additional intermediates and do not imply equivalence, availability, or shared use.

CAS 50332-66-63-Nitro-4-quinolinolCAS 1002310-00-0Tert-butyl 1-(2-chloro-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)ethylcarbamateCAS 1005174-17-3(E)-3-(2-Propyl-6-(trifluoromethyl)pyridin-3-yl)acrylic acidCAS 1018125-49-92-(3-Cyclopropyl-6-ethyl-4-(trifluoromethyl)-1H-pyrazolo[3,4-b]pyridin-1-yl)acetic acidCAS 1018128-07-8Isopropyl 4-chloro-2-methylquinoline-6-carboxylateCAS 1018142-22-76-cyclopropyl-1-(2,2-difluoroethyl)-3-methyl-1H-pyrazolo[3,4-b]pyridine-4-carboxylic acidCAS 1018144-00-72-(3-Cyclopropyl-6-isopropyl-4-(trifluoromethyl)-1H-pyrazolo[3,4-b]pyridin-1-yl)acetic acid

RFQ questions for CAS 611-36-9

What are the key identifiers for 4-Hydroxyquinoline (CAS 611-36-9)?

4-Hydroxyquinoline is identified by CAS 611-36-9, with molecular formula C9H7NO, molecular weight 145.16, InChIKey PMZDQRJGMBOQBF-UHFFFAOYSA-N.

Can I request a COA for CAS 611-36-9?

Yes. Submit an RFQ and specify COA requirements. Lot-specific COA depends on supplier confirmation.

Can I request supplier SDS for 4-Hydroxyquinoline?

Yes. Supplier SDS can be requested through the RFQ workflow before handling, storage, shipment, or procurement decisions.

Is CAS 611-36-9 available for quotation?

Availability, pack size, lead time, and pricing are confirmed through RFQ.

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