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Merck
CN

1141002

USP

Clotrimazole

United States Pharmacopeia (USP) Reference Standard

Synonym(s):

1-(o-Chloro-α,α-diphenylbenzyl)imidazole, 1-(o-Chlorotrityl)imidazole, 1-[(2-Chlorophenyl)diphenylmethyl]-1H-imidazole

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About This Item

Empirical Formula (Hill Notation):
C22H17ClN2
CAS Number:
23593-75-1
Molecular Weight:
344.84
NACRES:
NA.24
PubChem Substance ID:
329749440
UNSPSC Code:
41116107
MDL number:
MFCD00057220

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Product Name

Clotrimazole, United States Pharmacopeia (USP) Reference Standard

InChI

1S/C22H17ClN2/c23-21-14-8-7-13-20(21)22(25-16-15-24-17-25,18-9-3-1-4-10-18)19-11-5-2-6-12-19/h1-17H

SMILES string

Clc1ccccc1C(c2ccccc2)(c3ccccc3)n4ccnc4

InChI key

VNFPBHJOKIVQEB-UHFFFAOYSA-N

grade

pharmaceutical primary standard

API family

clotrimazole

manufacturer/tradename

USP

application(s)

pharmaceutical (small molecule)

format

neat

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Analysis Note

These products are for test and assay use only. They are not meant for administration to humans or animals and cannot be used to diagnose, treat, or cure diseases of any kind.  ​

Application

Clotrimazole USP reference standard, intended for use in specified quality tests and assays as specified in the USP compendia. Also, for use with USP monographs such as:
  • Clotrimazole and Betamethasone Dipropionate Cream
  • Clotrimazole Cream
  • Clotrimazole Lotion
  • Clotrimazole Lozenges
  • Clotrimazole Topical Solution
  • Clotrimazole Vaginal Inserts

General description

This product is provided as delivered and specified by the issuing Pharmacopoeia. All information provided in support of this product, including SDS and any product information leaflets have been developed and issued under the Authority of the issuing Pharmacopoeia.For further information and support please go to the website of the issuing Pharmacopoeia.

Other Notes

Sales restrictions may apply.

pictograms

Exclamation markEnvironment
GHS07,GHS09

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Warning

Hazard Classifications

Acute Tox. 4 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - Eye Irrit. 2 - Skin Irrit. 2

Storage Class

11 - Combustible Solids

wgk

WGK 3

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Jenna Corcoran et al.
Aquatic toxicology (Amsterdam, Netherlands), 152, 57-65 (2014-04-15)
Clotrimazole (CTZ) is a persistent imidazole antifungal agent which is frequently detected in the aquatic environment and predicted to bio-concentrate in fish. Common carp (Cyprinus carpio) were exposed to mean measured concentrations of either 1.02 or 14.63μgl(-1) CTZ for 4
P R Sawyer et al.
Drugs, 9(6), 424-447 (1975-01-01)
Clotrimazole 2, a synthetic imidazole derivative, is primarily used locally in the treatment of vaginal and skin infections due to yeasts and dermatophytes. In vitro, it is most active against Candida spp., Trichophyton spp., Microsporum spp. and Malazzesia fuffur (Pityrosporon
S Nishanth Kumar et al.
Medical mycology, 52(5), 482-490 (2014-06-12)
Candidiasis infections are caused by yeasts from the genus Candida. The types of infection range from superficial to systemic. Treatment often requires antifungals such as the azoles; however, increased use of these drugs has led to the generation of yeasts
H L Greenberg et al.
Pediatric dermatology, 19(1), 78-81 (2002-02-28)
The use of antifungal/corticosteroid combinations as topical therapy for dermatophytoses has been criticized as being less effective, more expensive, and the cause of more adverse cutaneous reactions than antifungal monotherapy. The combination of clotrimazole and betamethasone diproprionate (Lotrisone) is a
Kathryn L Turner et al.
Cerebral cortex (New York, N.Y. : 1991), 24(9), 2388-2400 (2013-04-16)
From the subventricular zone (SVZ), neuronal precursor cells (NPCs), called neuroblasts, migrate through the rostral migratory stream (RMS) to become interneurons in the olfactory bulb (OB). Ion channels regulate neuronal migration during development, yet their role in migration through the
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