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73529

Supelco

Clobetasol

pharmaceutical impurity standard, ≥95.0% (HPLC)

Synonym(s):

Clobetasol propionate impurity G (PhEur), (11β,16β)-21-Chloro-9-fluoro-11,17-dihydroxy-16-methylpregna-1,4-diene-3,20-dione

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About This Item

Empirical Formula (Hill Notation):
C22H28ClFO4
CAS Number:
25122-41-2
Molecular Weight:
410.91
EC Number:
246-633-8
MDL number:
MFCD03695616
UNSPSC Code:
41116107
PubChem Substance ID:
329763802

grade

analytical standard

assay

≥95.0% (HPLC)

shelf life

limited shelf life, expiry date on the label

technique(s)

HPLC: suitable
gas chromatography (GC): suitable

impurities

≤10.0% related substances
≤5.0% solvents
≤5.0% water

application(s)

pharmaceutical (small molecule)

format

neat

storage temp.

2-8°C

SMILES string

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

InChI

1S/C22H28ClFO4/c1-12-8-16-15-5-4-13-9-14(25)6-7-19(13,2)21(15,24)17(26)10-20(16,3)22(12,28)18(27)11-23/h6-7,9,12,15-17,26,28H,4-5,8,10-11H2,1-3H3/t12-,15-,16-,17-,19-,20-,21-,22-/m0/s1

InChI key

FCSHDIVRCWTZOX-DVTGEIKXSA-N

Application

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

pictograms

Health hazard
GHS08

signalword

Danger

Hazard Classifications

Aquatic Chronic 4 - Repr. 1B - STOT RE 2

target_organs

Adrenal gland,Immune system

Storage Class

6.1D - Non-combustible acute toxic Cat.3 / toxic hazardous materials or hazardous materials causing chronic effects

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

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Certificates of Analysis (COA)

Lot/Batch Number
BCBS7533V
BCBR2508V

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Jason E Ham et al.
Cutaneous and ocular toxicology, 38(2), 112-117 (2018-05-04)
Formaldehyde allergic contact dermatitis (ACD) may be due to products with free formaldehyde or formaldehyde-releasing agents; however, assessment of formaldehyde levels in such products is infrequently conducted. The present study quantifies total releasable formaldehyde from "in-use" products associated with formaldehyde
Tina Bhutani et al.
The Journal of dermatological treatment, 23(1), 11-15 (2011-01-25)
Clobetasol 0.05% spray, a topical clobetasol propionate, is a non-greasy formulation that has shown increased clinical efficacy in a head-to-head comparison with foam formulation. Moreover, available data from randomized, controlled, double-blind trials suggests that clobetasol spray is, in fact, slightly
Reese Imhof et al.
Clinical, cosmetic and investigational dermatology, 13, 897-910 (2020-12-10)
Frontal fibrosing alopecia (FFA) is a primary lymphocytic cicatricial alopecia that is often considered a clinical variant of lichen planopilaris (LPP) due to their shared histopathologic features. FFA is characterized by the recession of the frontal, temporal, or frontotemporal hairline;
Kai-Li Mao et al.
Colloids and surfaces. B, Biointerfaces, 160, 704-714 (2017-10-17)
A poor percutaneous penetration capability for most topical anti-inflammatory drugs is one of the main causes compromising their therapeutic effects on psoriatic skin. Even though curcumin has shown a remarkable efficacy in the treatment of psoriasis, its effective penetration through
S Yawalkar et al.
Journal of the American Academy of Dermatology, 25(6 Pt 2), 1137-1144 (1991-12-01)
Both halobetasol propionate and clobetasol 17-propionate exerted very marked antiinflammatory, antiproliferative, and vasoconstrictive effects during evaluation in a range of dermatopharmacologic models. Halobetasol propionate was distinctly more potent than clobetasol 17-propionate in the ultraviolet-induced dermatitis inhibition assay in guinea pigs
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