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Clioquinol

VETRANAL®, analytical standard

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Synonym(s):
5-Chloro-7-iodo-8-quinolinol, 5-Chloro-8-hydroxy-7-iodoquinoline, Clioquinol, Iodochlorhydroxyquin
Empirical Formula (Hill Notation):
C9H5ClINO
CAS Number:
130-26-7
Molecular Weight:
305.50
Beilstein:
153637
EC Number:
204-984-4
MDL number:
MFCD00006787
UNSPSC Code:
41116107
PubChem Substance ID:
329754701
NACRES:
NA.24

grade

analytical standard

Quality Level

100

product line

VETRANAL®

shelf life

limited shelf life, expiry date on the label

technique(s)

HPLC: suitable
gas chromatography (GC): suitable

application(s)

forensics and toxicology
pharmaceutical (small molecule)

format

neat

storage temp.

2-8°C

SMILES string

Oc1c(I)cc(Cl)c2cccnc12

InChI

1S/C9H5ClINO/c10-6-4-7(11)9(13)8-5(6)2-1-3-12-8/h1-4,13H

InChI key

QCDFBFJGMNKBDO-UHFFFAOYSA-N

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General description

Clioquinol is a 8-hydroxyquinoline derivative, which comes under the category of allergens and finds potential applications as an anti-infective agent for diarrhoea. It can be used like a chelator in the treatment of alzheimer′s disease, since it has good affinity towards zinc and copper ions and can easily cross the blood-brain barrier.

Application

Refer to the product′s Certificate of Analysis for more information on a suitable instrument technique. Contact Technical Service for further support.

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Legal Information

VETRANAL is a registered trademark of Merck KGaA, Darmstadt, Germany

Pictograms

Skull and crossbones
GHS06

Signal Word

Danger

Hazard Statements

H301,H315,H317,H319

Hazard Classifications

Acute Tox. 3 Oral - Eye Irrit. 2 - Skin Irrit. 2 - Skin Sens. 1

WGK

WGK 3

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Treatment of Alzheimer?s disease with clioquinol
Regland B, et al.
Dementia and Geriatric Cognitive Disorders, 12, 408-414 (2001)
Clioquinol, a drug for Alzheimer's disease specifically interfering with brain metal metabolism: structural characterization of its zinc (II) and copper (II) complexes
Vaira DM, et al
Inorganic Chemistry, 43, 3795-3379 (2004)
Aaron D Schimmer et al.
Clinical lymphoma, myeloma & leukemia, 12(5), 330-336 (2012-06-12)
Clioquinol is a small-molecule metal ionophore that inhibits the proteasome through a metal-dependent mechanism. Here, we report a phase I study of clioquinol in patients with refractory hematologic malignancies. Neuropathy and abdominal pain were dose-limiting toxicities. Minimal pharmacodynamic effects were
A D Schimmer
Current cancer drug targets, 11(3), 325-331 (2011-01-21)
Clioquinol (5-chloro-7-iodo-quinolin-8-ol) was used in the 1950's-1970's as an oral anti-parasitic agent. More recently, studies have demonstrated that Clioquinol displays preclinical efficacy in the treatment of malignancy. Its anti-cancer activity relates, at least in part, to its ability to inhibit
Masato Katsuyama et al.
Toxicology, 299(1), 55-59 (2012-05-26)
Clioquinol, a Cu²⁺/Zn²⁺/Fe²⁺ chelator/ionophor, was used extensively in the mid 1900s as an amebicide for treating indigestion and diarrhea. It was eventually withdrawn from the market because of a link to subacute myelo-optic neuropathy (SMON) in Japan. The pathogenesis of
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