5-Hydroxyquinolin-2(1H)-one

Name: 5-Hydroxyquinolin-2(1H)-one
Brand: Vaqora Chemicals
SKU: VQ-013145

About 5-Hydroxyquinolin-2(1H)-one

Listed under CAS 31570-97-5, 5-Hydroxyquinolin-2(1H)-one is a process intermediate or related compound of Brexpiprazole available from Vaqora Chemicals. With the molecular formula C9H7NO2, it has a molar mass of 161.16 g/mol. The IUPAC name is 5-hydroxy-1H-quinolin-2-one. It is also known as 5-Hydroxy-2(1H)-quinolinone or 2,5-Dihydroxyquinoline.

The product is provided as a solid. Store the standard in its sealed vial, protected from light and moisture, and follow the storage condition printed on the COA. It carries the GHS signal word “Warning” with 4 hazard statements. Review the Safety Data Sheet before use.

Process chemists and analysts use it when developing synthetic routes to Brexpiprazole, tracking process-related impurities and validating analytical methods. Typical end-use sectors are pharmaceutical manufacturing and academic and industrial research.

We offer 5-Hydroxyquinolin-2(1H)-one in 10 mg, 25 mg, 50 mg and 100 mg packs with a batch-specific COA, and ship to customers worldwide. This item is currently in stock for prompt dispatch.

Typical applications

API route development
Impurity fate & purge studies
Analytical method development

Industries

Related to Brexpiprazole

View every impurity, metabolite and intermediate we list for Brexpiprazole.

Brexpiprazole impurities

Specifications & identifiers

Chemical identifiers
Product name	5-Hydroxyquinolin-2(1H)-one
Catalogue No.	VQ-013145
CAS Number	31570-97-5
IUPAC name	5-hydroxy-1H-quinolin-2-one
Molecular formula	C₉H₇NO₂
Molecular weight	161.16 g/mol
Exact mass	161.0477
Grade	Reference Standard
HSN code	2933
InChIKey	XOXGLLQTNQBDKL-UHFFFAOYSA-N
SMILES	C1=CC2=C(C=CC(=O)N2)C(=C1)O
PubChem CID	5382213

Physical properties
Physical form	Solid
LogP (XLogP3)	1
H-bond donors / acceptors	2 / 2
TPSA	49.3 Å²
Synonyms	5-Hydroxy-2(1H)-quinolinone, 2,5-Dihydroxyquinoline, 5-Hydroxy-2(1H)-quinolone, 5-Hydroxycarbostyril, 5-hydroxy-2-quinolone, 5-hydroxyquinolone, quinoline-2,5-diol, 2(1H)-Quinolinone, 5-hydroxy-, 5-hydroxyhydroquinolin-2-one, 5-oxidanyl-1H-quinolin-2-one, 5-Hydroxy-quinolin-2(1H)-one, 5-Hydroxyquinolin-2(1H)-one

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H302Harmful if swallowed
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

Precautionary statements: P261, P264, P264 + P265, P270, P271, P280, P301 + P317, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P330, 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 5-Hydroxyquinolin-2(1H)-one?

The CAS Registry Number of 5-Hydroxyquinolin-2(1H)-one is 31570-97-5. It is also known as 5-Hydroxy-2(1H)-quinolinone, 2,5-Dihydroxyquinoline, 5-Hydroxy-2(1H)-quinolone.

What is the molecular formula and molecular weight of 5-Hydroxyquinolin-2(1H)-one?

5-Hydroxyquinolin-2(1H)-one has the molecular formula C9H7NO2 and a molecular weight of 161.16 g/mol. Its IUPAC name is 5-hydroxy-1H-quinolin-2-one.

What is 5-Hydroxyquinolin-2(1H)-one used for?

5-Hydroxyquinolin-2(1H)-one is supplied as a characterised reference material related to Brexpiprazole. It is used for analytical method development and validation (AMV), impurity profiling, stability studies and quality control, and in ANDA/DMF regulatory filings.

Which grade and pack sizes of 5-Hydroxyquinolin-2(1H)-one can I order?

We supply 5-Hydroxyquinolin-2(1H)-one 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 5-Hydroxyquinolin-2(1H)-one?

Yes. Every lot of 5-Hydroxyquinolin-2(1H)-one 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 5-Hydroxyquinolin-2(1H)-one be shipped internationally?

Yes. 5-Hydroxyquinolin-2(1H)-one 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.