Clobetasol Propionate-impurities | Pharmaffiliates

clobetasol propionate and its Impurities

Clobetasol propionate is used for the treatment of various skin disorders including eczema, herpes labialis,psoriasis, and lichen sclerosus. It is also applied to the skin as a cream, ointment, or shampoo.. Reference standards of Clobetasol Propionate API, and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below

Displaying 27 results for clobetasol propionate Impurities
PA 03 96000

Clobetasol Propionate - API

Clobetasol Propionate


  • Catalogue No.:PA 03 96000

  • CAS :

    25122-46-7

  • Molecular Formula : C25H32ClFO5

  • Molecular Weight : 466.97

PA 03 96010

Clobetasol Propionate - Impurity A

Betamethasone 17-Propionate


  • Catalogue No.:PA 03 96010

  • CAS :

    5534-13-4

  • Molecular Formula : C25H33FO6

  • Molecular Weight : 448.52

PA 03 96020

Clobetasol Propionate - Impurity B

21-Chloro-9-fluoro-11β-hydroxy-16-methylpregna-1,4,16-triene-3,20-dione


  • Catalogue No.:PA 03 96020

  • CAS :

    1356190-17-4

  • Molecular Formula : C22H26ClFO3

  • Molecular Weight : 392.89

PA 03 96030

Clobetasol Propionate - Impurity C

21-Chloro-9-fluoro-11β-hydroxy-16α-methyl-3,20-dioxopregna-1,4-dien-17-yl propanoate


  • Catalogue No.:PA 03 96030

  • CAS :

    25122-52-5

  • Molecular Formula : C25H32ClFO5

  • Molecular Weight : 466.97

PA 03 96040

Clobetasol Propionate - Impurity D

1,2-Dihydroclobetasol 17-Propionate


  • Catalogue No.:PA 03 96040

  • CAS :

    25120-99-4

  • Molecular Formula : C25H34ClFO5

  • Molecular Weight : 468.99

PA 03 96050

Clobetasol Propionate - Impurity E

21-Chloro-16β-methyl-3,20-dioxopregna-1,4-dien-17-yl Propanoate


  • Catalogue No.:PA 03 96050

  • CAS :

    NA

  • Molecular Formula : C25H33ClO4

  • Molecular Weight : 432.98

PA 03 96060

Clobetasol Propionate - Impurity F

9-Fluoro-11β-hydroxy-16β-methyl-3-oxopregna-1,4,17(20)-trien-21-oic Acid


  • Catalogue No.:PA 03 96060

  • CAS :

    2412496-00-3

  • Molecular Formula : C22H27FO4

  • Molecular Weight : 374.45

PA 03 96070

Clobetasol Propionate - Impurity G

Clobetasol


  • Catalogue No.:PA 03 96070

  • CAS :

    25122-41-2

  • Molecular Formula : C22H28ClFO4

  • Molecular Weight : 410.91

PA 03 96080

Clobetasol Propionate - Impurity H

9-Fluoro-11β-hydroxy-16β-methyl-3,20-dioxopregna-1,4-dien-17-yl Propanoate


  • Catalogue No.:PA 03 96080

  • CAS :

    4351-48-8

  • Molecular Formula : C25H33FO5

  • Molecular Weight : 432.52

PA 03 96090

Clobetasol Propionate - Impurity I

9-Fluoro-11β-hydroxy-16β-methyl-21-[(methylsulfonyl)oxy]-3,20-dioxopregna-1,4-dien-17-yl propanoate


  • Catalogue No.:PA 03 96090

  • CAS :

    15423-80-0

  • Molecular Formula : C26H35FO8S

  • Molecular Weight : 526.61

PA 03 96100

Clobetasol Propionate - Impurity J

Clobetasol Propionate 17α-spiro Compound


  • Catalogue No.:PA 03 96100

  • CAS :

    1486466-31-2

  • Molecular Formula : C25H30ClFO4

  • Molecular Weight : 448.95

PA 03 96110

Clobetasol Propionate - Impurity K

Clobetasol Betamethasone 21-propionate


  • Catalogue No.:PA 03 96110

  • CAS :

    75883-07-7

  • Molecular Formula : C25H33FO6

  • Molecular Weight : 448.52

PA 03 96510

Betamethasone 17-propionate-21-Tosyl Compound

Betamethasone 17-propionate-21-Tosyl Compound


  • Catalogue No.:PA 03 96510

  • CAS :

    2409521-73-7

  • Molecular Formula : C32H39FO8S

  • Molecular Weight : 602.71

PA 03 96520

(11β)-9-Fluoro-11,21-dihydroxy-16-methyl-pregna-1,4,16-triene-3,20-dione

(11β)-9-Fluoro-11,21-dihydroxy-16-methyl-pregna-1,4,16-triene-3,20-dione


  • Catalogue No.:PA 03 96520

  • CAS :

    59860-99-0

  • Molecular Formula : C22H27FO4

  • Molecular Weight : 374.45

PA 03 96530

(2'R,8S,9R,10S,11S,13S,14S,16S)-5'-Ethyl-9-fluoro-4',11-dihydroxy-10,13,16-trimethyl-7,8,9,10,11,12,13,14,15,16-decahydro-3'H-spiro[cyclopenta[a]phenanthrene-17,2'-furan]-3,3'(6H)-dione

(2'R,8S,9R,10S,11S,13S,14S,16S)-5'-Ethyl-9-fluoro-4',11-dihydroxy-10,13,16-trimethyl-7,8,9,10,11,12,13,14,15,16-decahydro-3'H-spiro[cyclopenta[a]phenanthrene-17,2'-furan]-3,3'(6H)-dione


  • Catalogue No.:PA 03 96530

  • CAS :

    NA

  • Molecular Formula : C25H31FO5

  • Molecular Weight : 430.51

PA 03 96540

(3S,4aS,4bS,10aS,10bR,11S,12aS)-10b-Fluoro-11-hydroxy-3,10a,12a-trimethyl-1,8-dioxo-1,2,3,4,4a,4b,5,6,8,10a,10b,11,12,12a-tetradecahydrochrysene-2-carbaldehyde

(3S,4aS,4bS,10aS,10bR,11S,12aS)-10b-Fluoro-11-hydroxy-3,10a,12a-trimethyl-1,8-dioxo-1,2,3,4,4a,4b,5,6,8,10a,10b,11,12,12a-tetradecahydrochrysene-2-carbaldehyde


  • Catalogue No.:PA 03 96540

  • CAS :

    NA

  • Molecular Formula : C22H27FO4

  • Molecular Weight : 374.45

PA 03 96550

(3S,4aS,4bS,10aS,10bR,11S,12aS)-10b-Fluoro-11-hydroxy-3,10a,12a-trimethyl-2,8-dioxo-1,2,3,4,4a,4b,5,6,8,10a,10b,11,12,12a-tetradecahydrochrysene-1-carbaldehyde

(3S,4aS,4bS,10aS,10bR,11S,12aS)-10b-Fluoro-11-hydroxy-3,10a,12a-trimethyl-2,8-dioxo-1,2,3,4,4a,4b,5,6,8,10a,10b,11,12,12a-tetradecahydrochrysene-1-carbaldehyde


  • Catalogue No.:PA 03 96550

  • CAS :

    NA

  • Molecular Formula : C22H27FO4

  • Molecular Weight : 374.45

PA 03 96560

(6α,9β,11β,16α)-9,11-Epoxy-6-fluoro-21-hydroxy-16-methyl-pregna-1,4-diene-3,20-dione

(6α,9β,11β,16α)-9,11-Epoxy-6-fluoro-21-hydroxy-16-methyl-pregna-1,4-diene-3,20-dione


  • Catalogue No.:PA 03 96560

  • CAS :

    61618-89-1

  • Molecular Formula : C22H27FO4

  • Molecular Weight : 374.45

PA USP1138405

Clobetasol Propionate (1138405)

Clobetasol Propionate (1138405)


  • Catalogue No.:PA USP1138405

  • CAS :

    25122-46-7

  • Molecular Formula : NA

  • Molecular Weight : NA

PA USP1138427

Clobetasol Propionate Related Compound A (9-alpha-fluoro-11-beta-hydroxy-16-beta-methyl-3-oxoandros (1138427)

Clobetasol Propionate Related Compound A (9-alpha-fluoro-11-beta-hydroxy-16-beta-methyl-3-oxoandros (1138427)


  • Catalogue No.:PA USP1138427

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

PA BP521RB

clobetasol propionate (521RB)

clobetasol propionate (521RB)


  • Catalogue No.:PA BP521RB

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

PA EPY0000570

Clobetasol for peak identification (Y0000570)

Clobetasol for peak identification (Y0000570)


  • Catalogue No.:PA EPY0000570

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

PA EPY0000571

Clobetasol impurity J (Y0000571)

Clobetasol impurity J (Y0000571)


  • Catalogue No.:PA EPY0000571

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

PA EPY0000559

Clobetasol propionate (Y0000559)

Clobetasol propionate (Y0000559)


  • Catalogue No.:PA EPY0000559

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

PA IPIPRS 10 15

Clobetasol Propionate (IPRS/10/15)-from IPC


  • Catalogue No.:PA IPIPRS 10 15

  • CAS :

    NA

  • Molecular Formula :

  • Molecular Weight : NA

PA 03 96570

Ethyl (E)-2-((9R,10S,11S,13S,16S)-9-fluoro-11-hydroxy-10,13,16-trimethyl-3-oxo-3,6,7,8,9,10,11,12,13,14,15,16-dodecahydro-17H-cyclopenta[a]phenanthren-17-ylidene)acetate

Ethyl (E)-2-((9R,10S,11S,13S,16S)-9-fluoro-11-hydroxy-10,13,16-trimethyl-3-oxo-3,6,7,8,9,10,11,12,13,14,15,16-dodecahydro-17H-cyclopenta[a]phenanthren-17-ylidene)acetate


  • Catalogue No.:PA 03 96570

  • CAS :

    NA

  • Molecular Formula : C24H31FO4

  • Molecular Weight : 402.51

PA 03 0961000

bis(2-(tert-Butyl)-6-(3-(tert-butyl)-2-hydroxy-5-methylbenzyl)-4-methylphenyl) Terephthalate

bis(2-(tert-Butyl)-6-(3-(tert-butyl)-2-hydroxy-5-methylbenzyl)-4-methylphenyl) Terephthalate


  • Catalogue No.:PA 03 0961000

  • CAS :

    57569-40-1

  • Molecular Formula : C54H66O6

  • Molecular Weight : 811.12