4-Hydroxyquinoline

Name: 4-Hydroxyquinoline
Brand: Vaqora Chemicals
SKU: VQ-049650

About 4-Hydroxyquinoline

4-Hydroxyquinoline (CAS 611-36-9) is a metabolite / degradant standard offered by Vaqora Chemicals. Formula C9H7NO, molecular weight 145.16 g/mol. Its systematic (IUPAC) name is 1H-quinolin-4-one. Common synonyms include Quinolin-4-ol and Kynurine.

It is supplied as a solid. Keep the vial tightly closed, protected from light and humidity, at the temperature stated on the Certificate of Analysis. It carries the GHS signal word “Warning” with 3 hazard statements. Review the Safety Data Sheet before use.

Analytical teams use this compound to identify metabolites and degradants, to validate stability-indicating methods (AMV) and to support QC and regulatory filings. Our customers for this product work in pharmaceutical manufacturing and academic and industrial research.

Available in 10 mg, 25 mg, 50 mg and 100 mg packs, 4-Hydroxyquinoline is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

Metabolite identification
Stability-indicating methods
Impurity profiling

Industries

Specifications & identifiers

Chemical identifiers
Product name	4-Hydroxyquinoline
Catalogue No.	VQ-049650
CAS Number	611-36-9
IUPAC name	1H-quinolin-4-one
Molecular formula	C₉H₇NO
Molecular weight	145.16 g/mol
Exact mass	145.0528
Grade	Reference Standard
HSN code	38229090
InChIKey	PMZDQRJGMBOQBF-UHFFFAOYSA-N
SMILES	C1=CC=C2C(=C1)C(=O)C=CN2
PubChem CID	69141

Physical properties
Physical form	Solid
LogP (XLogP3)	0.6
H-bond donors / acceptors	1 / 2
TPSA	29.1 Å²
Synonyms	Quinolin-4-ol, Kynurine, 4-Quinolinol, quinolin-4(1H)-one, 4(1H)-Quinolinone, 4-Quinolone, Quinoline, 4-hydroxy-, 4-Chinolinol, 1,4-dihydroquinolin-4-one, 4-Hydroxy-1-azanaphthalene, 4-Oxoquinoline

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

Precautionary statements: P261, P264, P264 + P265, P271, P280, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P332 + P317, P337 + P317, P362 + P364, P403 + P233, P405, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of 4-Hydroxyquinoline?

The CAS Registry Number of 4-Hydroxyquinoline is 611-36-9. It is also known as Quinolin-4-ol, Kynurine, 4-Quinolinol.

What is the molecular formula and molecular weight of 4-Hydroxyquinoline?

4-Hydroxyquinoline has the molecular formula C9H7NO and a molecular weight of 145.16 g/mol. Its IUPAC name is 1H-quinolin-4-one.

Which grade and pack sizes of 4-Hydroxyquinoline can I order?

We supply 4-Hydroxyquinoline in Reference Standard grade, in 10 mg, 25 mg, 50 mg, 100 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with 4-Hydroxyquinoline?

Yes. Every lot of 4-Hydroxyquinoline is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can 4-Hydroxyquinoline be shipped internationally?

Yes. 4-Hydroxyquinoline is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.