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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:
Molecular Weight:
478.98
EC Number:
MDL number:
UNSPSC Code:
12171500
PubChem Substance ID:
NACRES:
NA.47

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Product Name

Clobetasone butyrate, ≥98%

Quality Level

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

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1 of 4

This Item
729389558189756
particle size

4.0 μm std dev <0.1 μm, coeff var <2%

particle size

1.0 μm std dev <0.05 μm

particle size

0.2 μm std dev <0.03 μm

particle size

6.0 μm std dev <0.1 μm, coeff var <2%

grade

analytical standard

grade

analytical standard

grade

analytical standard

grade

analytical standard

application(s)

glass & ceramic
industrial qc
pharmaceutical

application(s)

glass & ceramic
industrial qc
pharmaceutical

application(s)

glass & ceramic
industrial qc
pharmaceutical

application(s)

glass & ceramic
industrial qc
pharmaceutical

form

aqueous suspension

form

aqueous suspension, particles

form

aqueous suspension

form

aqueous suspension, particles

crosslinking

0 % cross-linked

crosslinking

0 % cross-linked

crosslinking

0 % cross-linked

crosslinking

0 % cross-linked

General description

Clobetasone butyrate is a corticosteroid.[1]

application

Clobetasone butyrate has been used as an internal standard for the quantitative assay of clobetasol propionate.[2]
Clobetasone butyrate has been used to analyze its bio-concentration factor (BCF) in Cyprinus carpio.[3]

Biochem/physiol Actions

Clobetasone butyrate is a potent topical corticosteroid and is primarily used to treat atopic dermatitis (AD).[4] Low dosage of this drug is used to treat dry eye in Sjogrens syndrome.[5]

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type P3 (EN 143) respirator cartridges


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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)
    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)
    Uptake and biological effects of synthetic glucocorticoids in common carp (Cyprinus carpio)
    Nakayama K, et al.
    Marine Pollution Bulletin, 85(2), 370-375 (2014)
    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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