API Process Intermediates & Related Compounds

2,4-Quinolinediol

Name: 2,4-Quinolinediol
Brand: Zemixal
SKU: ZX-011947

Reference StandardAvailable on request

2,4-Quinolinediol (CAS 86-95-3) supplier Zemixal: C9H7NO2, COA and SDS with every lot, worldwide shipping. Ships from India to 120+ countries.

Pack sizes

CAS number86-95-3

FormulaC₉H₇NO₂

Molar mass161.16 g/mol

Physical formSolid

HS code2933

InChIKeyHDHQZCHIXUUSMK-UHFFFAOYSA-N

IUPAC name4-hydroxy-1H-quinolin-2-one

About 2,4-Quinolinediol

Researchers and plant chemists source 2,4-Quinolinediol from Zemixal for routine and specialised work. For your records (Reference Standard), the material is defined by CAS 86-95-3, formula C9H7NO2 and molar mass 161.16 g/mol. It is handled as a solid.

Where it is used

API route development
Impurity fate & purge studies
Analytical method development

Storage and safety notes

Hazard communication follows GHS (Warning: H315, H319, H335 and H341). Our SDS lists exposure controls and first-aid measures.

Available as 10 mg, 25 mg, 50 mg and 100 mg. Larger or split packs can be arranged. Every shipment includes a batch certificate of analysis and a 16-section SDS. Add it to your quote list and our team replies with price, lead time and shipping options within one business day.

Reference standards for Imiquimod

See every impurity, metabolite and related compound we list for this API.

Imiquimod standards

Typical uses

API route development
Impurity fate & purge studies
Analytical method development

Applications

Pharmaceutical Manufacturing and QC Research Labs and Universities

Specifications and identifiers

Specifications of 2,4-Quinolinediol
Product name	2,4-Quinolinediol
Catalogue number	ZX-011947
CAS number	86-95-3
IUPAC name	4-hydroxy-1H-quinolin-2-one
Molecular formula	C₉H₇NO₂
Molar mass	161.16 g/mol
Exact mass	161.0477
Grade	Reference Standard
Physical form	Solid
XLogP3	0.7
H-bond donors / acceptors	2 / 2
Topological polar surface area	49.3 Å²
HS code	2933
InChIKey	HDHQZCHIXUUSMK-UHFFFAOYSA-N
SMILES	C1=CC=C2C(=C1)C(=CC(=O)N2)O
PubChem CID	54680871
Synonyms	4-Hydroxy-2(1H)-quinolinone, 2,4-Dihydroxyquinoline, 2,4-Dihydroxyquinolone, 4-Hydroxy-1,2-dihydro-2-quinolinone, 4-Hydroxy-2-quinolinone, 4-Hydroxy-2-quinolone, 4-Hydroxycarbostyril, 4-Hydroxyquinolin-2(1H)-one, 4-Hydroxyquinoline-2(1H)-one, DHQ, 2(1H)-Quinolinone, 4-hydroxy-

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

Irritant or harmful

Health hazard

Signal word Warning

H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
H341Suspected of causing genetic defects

Precautionary statements P203, P261, P264, P264 + P265, P271, P280, P302 + P352, P304 + P340, P305 + P351 + P338, P318, P319, P321, P332 + P317, P337 + P317, P362 + P364, P403 + P233, P405, P501

Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.

Pack sizes

Pack sizes of 2,4-Quinolinediol
10 mg	Quoted on request
25 mg	Quoted on request
50 mg	Quoted on request
100 mg	Quoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

Questions about 2,4-Quinolinediol

Which CAS number identifies 2,4-Quinolinediol?

2,4-Quinolinediol is registered under CAS 86-95-3. You may also see it listed as 4-Hydroxy-2(1H)-quinolinone, 2,4-Dihydroxyquinoline, 2,4-Dihydroxyquinolone. Our catalogue number for this item is ZX-011947.

What are the formula and molar mass of 2,4-Quinolinediol?

For 2,4-Quinolinediol, its formula is C9H7NO2 and its molar mass is 161.16 g/mol. The systematic (IUPAC) name is 4-hydroxy-1H-quinolin-2-one. InChIKey HDHQZCHIXUUSMK-UHFFFAOYSA-N lets you match it in any structure database.

How is 2,4-Quinolinediol used in pharmaceutical QC?

2,4-Quinolinediol is a characterised reference material linked to Imiquimod. Laboratories use it to identify and quantify this impurity during method development and validation, stability work, batch release testing and regulatory submissions.

What grade and pack sizes are available for 2,4-Quinolinediol?

This listing is Reference Standard grade. Standard packs are 10 mg, 25 mg, 50 mg, 100 mg. Larger quantities and custom packing can be quoted on request.

Which documents come with 2,4-Quinolinediol?

Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.

Can Zemixal ship 2,4-Quinolinediol to my country?

Yes. Because 2,4-Quinolinediol is classed as hazardous, it travels in UN-approved packaging as dangerous goods under IATA or IMDG rules, with the export paperwork your broker needs.

More Imiquimod standards

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Formula: C₉H₆N₂O₄
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Imiquimod USP Related Compound B

CAS: 99010-63-6
Formula: C₁₄H₁₅N₃O
MW: 241.29 g/mol

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Imiquimod

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Formula: C₁₄H₁₆N₄
MW: 240.3 g/mol

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1-(2-Methylpropyl)-1H-imidazo[4,5-c]quinoline

CAS: 99010-24-9
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MW: 225.29 g/mol

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Imiquimod USP Related Compound C

CAS: 99010-64-7
Formula: C₁₄H₁₄ClN₃
MW: 259.73 g/mol

ZX-025099

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