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C5548

Sigma-Aldrich

Clobetasone butyrate

≥98% purity, powder

Synonym(s):

21-Chloro-9-fluoro-17-hydroxy-16-methylpregna-1,4-diene-3,11,20-trione 17-butyrate

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About This Item

Empirical Formula (Hill Notation):
C26H32ClFO5
CAS Number:
25122-57-0
Molecular Weight:
478.98
EC Number:
246-635-9
MDL number:
MFCD00133196
UNSPSC Code:
12171500
PubChem Substance ID:
329775093
NACRES:
NA.47

product name

Clobetasone butyrate, ≥98%

Quality Level

200

Assay

≥98%

form

powder

color

white to faint yellow cast

mp

90-100 °C

solubility

chloroform: 50 mg/mL, clear, faintly yellow

ε (extinction coefficient)

13.4 at 243 nm in chloroform

application(s)

diagnostic assay manufacturing
hematology
histology

storage temp.

room temp

SMILES string

CCCC(=O)O[C@@]1([C@@H](C)C[C@H]2[C@@H]3CCC4=CC(=O)C=C[C@]4(C)[C@@]3(F)C(=O)C[C@]12C)C(=O)CCl

InChI

1S/C26H32ClFO5/c1-5-6-22(32)33-26(21(31)14-27)15(2)11-19-18-8-7-16-12-17(29)9-10-23(16,3)25(18,28)20(30)13-24(19,26)4/h9-10,12,15,18-19H,5-8,11,13-14H2,1-4H3/t15-,18-,19-,23-,24-,25-,26-/m0/s1

InChI key

FBRAWBYQGRLCEK-AVVSTMBFSA-N

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General description

Clobetasone butyrate is a corticosteroid.

Application

Clobetasone butyrate has been used as an internal standard for the quantitative assay of clobetasol propionate.
Clobetasone butyrate has been used to analyze its bio-concentration factor (BCF) in Cyprinus carpio.

Biochem/physiol Actions

Clobetasone butyrate is a potent topical corticosteroid and is primarily used to treat atopic dermatitis (AD). Low dosage of this drug is used to treat dry eye in Sjogrens syndrome.

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Information

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Certificates of Analysis (COA)

Lot/Batch Number
080H0754
080H0759

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Safety and efficacy of 0.1% clobetasone butyrate eyedrops in the treatment of dry eye in Sjogren syndrome
Aragona P, et al.
European Journal of Ophthalmology, 23(3) (2013)
Community Pharmacy - E-Book: Symptoms Diagnosis and Treatment (2011)
Uptake and biological effects of synthetic glucocorticoids in common carp (Cyprinus carpio)
Nakayama K, et al.
Marine Pollution Bulletin, 85(2), 370-375 (2014)
Fluticasone propionate 0.05% cream once daily versus clobetasone butyrate 0.05% cream twice daily in children with atopic dermatitis
Wolkerstorfer A, et al.
Journal of the American Academy of Dermatology, 39(2), 226-231 (1998)
Liquid chromatography--tandem mass spectrometric assay for clobetasol propionate in human serum from patients with atopic dermatitis
Sparidans RW, et al.
Journal of Chromatography. B, Analytical Technologies in the Biomedical and Life Sciences, 878(23), 2150-2154 (2010)
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