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Pharmacopeial Impurities (EP / USP / BP)

Clioquinol EP Impurity B

Reference StandardAvailable on request

Buy Clioquinol EP Impurity B (CAS 773-76-2) from Zemixal. Request a quote with price, lead time and documents. Catalogue no. ZX-024001.

Pack sizes
Clioquinol EP Impurity B chemical structure
CAS number773-76-2
FormulaC9H5Cl2NO
Molar mass214.04 g/mol
Physical formSolid
HS code38229090
InChIKeyWDFKMLRRRCGAKS-UHFFFAOYSA-N
IUPAC name5,7-dichloroquinolin-8-ol

About Clioquinol EP Impurity B

Clioquinol EP Impurity B is supplied by Zemixal as a characterised reference material for Clioquinol analysis. Key data (Reference Standard): CAS 773-76-2, formula C9H5Cl2NO and molar mass 214.04 g/mol. It is handled as a solid.

Where it is used

  • Pharmacopeial method verification
  • Impurity profiling
  • QC release testing
  • ANDA / DMF filings

Handling and storage

Classified under GHS with signal word Danger and hazard statements H302, H315, H318 and H335. Read the SDS before first use.

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and custom quantities are quoted on request. Every shipment includes a certificate of analysis with characterisation data. Request pricing online and we confirm availability, documentation and freight to your country.

Reference standards for Clioquinol

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

Clioquinol standards

Typical uses

  • Pharmacopeial method verification
  • Impurity profiling
  • QC release testing
  • ANDA / DMF filings

Applications

Pharmaceutical Manufacturing and QCResearch Labs and Universities

Grade guides

Ph. Eur. Grade (European Pharmacopoeia)

Specifications and identifiers

Specifications of Clioquinol EP Impurity B
Product nameClioquinol EP Impurity B
Catalogue numberZX-024001
CAS number773-76-2
IUPAC name5,7-dichloroquinolin-8-ol
Molecular formulaC9H5Cl2NO
Molar mass214.04 g/mol
Exact mass212.9748
GradeReference Standard
Physical formSolid
XLogP33.5
H-bond donors / acceptors1 / 2
Topological polar surface area33.1 Ų
HS code38229090
InChIKeyWDFKMLRRRCGAKS-UHFFFAOYSA-N
SMILESC1=CC2=C(C(=C(C=C2Cl)Cl)O)N=C1
PubChem CID2722
Synonyms5,7-Dichloro-8-hydroxyquinoline, Clioquinol - Impurity B, chloroxine, 5,7-Dichloro-8-quinolinol, Chlorquinol, Capitrol, Quixalin, Dichlorohydroxyquinoline, 5,7-Dichlorooxine, 5,7-Dichloroxine, 5,7-Dichloro-8-oxyquinoline, 5,7-Dichlor-8-hydroxychinolin

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

Safety and GHS hazards

GHS05 Corrosive
Corrosive
GHS07 Irritant or harmful
Irritant or harmful

Signal word Danger

  • H302Harmful if swallowed
  • H315Causes skin irritation
  • H318Causes serious eye damage
  • H335May cause respiratory irritation

Precautionary statements P261, P264, P264 + P265, P270, P271, P280, P301 + P317, P302 + P352, P304 + P340, P305 + P354 + P338, P317, P319, P321, P330, P332 + 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 Clioquinol EP Impurity B
10 mgQuoted on request
25 mgQuoted on request
50 mgQuoted on request
100 mgQuoted on request

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

Questions about Clioquinol EP Impurity B

Which CAS number identifies Clioquinol EP Impurity B?
Clioquinol EP Impurity B is registered under CAS 773-76-2. You may also see it listed as 5,7-Dichloro-8-hydroxyquinoline, Clioquinol - Impurity B, chloroxine. Our catalogue number for this item is ZX-024001.
What are the formula and molar mass of Clioquinol EP Impurity B?
For Clioquinol EP Impurity B, its formula is C9H5Cl2NO and its molar mass is 214.04 g/mol. The systematic (IUPAC) name is 5,7-dichloroquinolin-8-ol. InChIKey WDFKMLRRRCGAKS-UHFFFAOYSA-N lets you match it in any structure database.
How is Clioquinol EP Impurity B used in pharmaceutical QC?
Clioquinol EP Impurity B is a characterised reference material linked to Clioquinol. 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 Clioquinol EP Impurity B?
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 Clioquinol EP Impurity B?
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 Clioquinol EP Impurity B to my country?
Yes. Because Clioquinol EP Impurity B 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.

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