Beclomethasone is a prodrug of the free form, beclometasone. It is used for the treatment of asthma (in form of inhaler), dermatitis and psoriasis (in form of cream), ulcerative colitis (in form of pills) and allergic rhinitis and nasal polyps (in form of nasal spray). It is a steroidal drug. Reference standards of Beclomethasone API, and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.
Beclomethasone
Catalogue No.:PA 29 10000
CAS :
Molecular Formula : C22H29ClO5
Molecular Weight : 408.92
Beclomethasone-∆17,20 21-Aldehyde
Catalogue No.:PA 02 05510
Molecular Formula : C22H27ClO4
Molecular Weight : 390.9
21-(1-Ethoxyethyl) Beclomethasone 9,11-Epoxide
Catalogue No.:PA 02 05520
Molecular Formula : C26H36O6
Molecular Weight : 444.56
21-(1-Ethoxyethyl) Beclomethasone
Catalogue No.:PA 02 05530
Molecular Formula : C26H37ClO6
Molecular Weight : 481.02
Beclomethasone 11,21-Ditrifluoroacetate
Catalogue No.:PA 02 05540
Molecular Formula : C26H27ClF6O7
Molecular Weight : 600.93
21-Dehydro Beclomethasone
Catalogue No.:PA 02 05560
Molecular Formula : C22H27ClO5
Molecular Weight : 406.9
21-Dehydro Beclomethasone 17-Propionate
Catalogue No.:PA 02 05570
Molecular Formula : C25H31ClO6
Molecular Weight : 462.96
21-(1-Ethoxyethyl) Beclomethasone 9,11-Epoxide-d5
Catalogue No.:PA STI 038560
Molecular Formula : C26H31D5O6
Molecular Weight : 449.59
Beclomethasone 21-Acetate
Catalogue No.:PA 02 05580
Molecular Formula : C24H31ClO6
Molecular Weight : 450.96
Beclomethasone Hemisuccinate
Catalogue No.:PA 02 05590
Molecular Formula : C26H33ClO8
Molecular Weight : 508.99
Beclomethasone 21-Monopropionate-3,3,3-d3
Catalogue No.:PA STI 088455
Molecular Formula : C25H30D3ClO6
Molecular Weight : 468
(8S,9R,10S,11S,13S,14S,16S,17R,E)-9-Chloro-11-hydroxy-N,10,13,16-tetramethyl-17-(propionyloxy)-17-(2-(propionyloxy)acetyl)-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-3-imine Oxide
Catalogue No.:PAI 02 005001
Molecular Formula : C29H40ClNO7
Molecular Weight : 550.09
(8S,9R,10S,11S,13S,14S,16S,17R,Z)-9-Chloro-11-hydroxy-10,13,16-trimethyl-3-(methylimino)-17-(2-(propionyloxy)acetyl)-8,9,10,11,12,13,14,15,16,17-decahydro-3H-cyclopenta[a]phenanthren-17-yl Propionate
Catalogue No.:PAI 02 005002
Molecular Formula : C29H38ClNO6
Molecular Weight : 532.07
(8S,9R,10S,11S,13S,14S,16S,17R)-9-Chloro-11-hydroxy-10,13,16-trimethyl-3-oxo-17-(2-(propionyloxy)acetyl)-8,9,10,11,12,13,14,15,16,17-decahydro-3H-cyclopenta[a]phenanthren-17-yl Propionate
Catalogue No.:PAI 02 005003
Molecular Formula : C28H35ClO7
Molecular Weight : 519.03
(6S,8S,9R,10S,11S,13S,14S,16S,17R)-9-Chloro-6,11-dihydroxy-10,13,16-trimethyl-3-oxo-17-(2-(propionyloxy)acetyl)-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-17-yl Propionate
Catalogue No.:PAI 02 005004
Molecular Formula : C28H37ClO8
Molecular Weight : 537.05
(6S,8S,9R,10S,11S,13S,14S,16S,17R)-6-Bromo-9-chloro-11-hydroxy-10,13,16-trimethyl-3-oxo-17-(2-(propionyloxy)acetyl)-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-17-yl propionate
Catalogue No.:PAI 02 005005
Molecular Formula : C28H36BrClO7
Molecular Weight : 599.94
(8S,9S,10R,13S,14S,17R)-6-Chloro-17-hydroxy-17-(2-hydroxyacetyl)-10,13-dimethyl-9,10,12,13,14,15,16,17-octahydro-3H-cyclopenta[a]phenanthrene-3,11(8H)-dione
Catalogue No.:PA 29 0101000
Molecular Formula : C21H23ClO5
Molecular Weight : 390.86
Dihydroxy beclometasone
Catalogue No.:PA 29 0101001
Molecular Formula : C22H30O6
Molecular Weight : 390.48
2-((10S,13S,16S,17R)-17-Hydroxy-10,13,16-trimethyl-3-oxo-6,7,8,10,12,13,14,15,16,17-decahydro-3H-cyclopenta[a]phenanthren-17-yl)-2-oxoethyl propionate
Catalogue No.:PA 29 0101002
Molecular Formula : C25H32O5
Molecular Weight : 412.53
2-((9R,10S,11S,13S,16S,17R)-9-Bromo-11-(formyloxy)-17-hydroxy-10,13,16-trimethyl-3-oxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-17-yl)-2-oxoethyl acetate
Catalogue No.:PA 29 0101003
Molecular Formula : C25H31BrO7
Molecular Weight : 523.42
(4aS,4bS,5aS,6aS,7R,8S,9aS,9bS)-2'-Ethoxy-2'-ethyl-4a,6a,8-trimethyl-5a,6,6a,8,9,9a,9b,10-octahydro-11H-spiro[cyclopenta[1,2]phenanthro[4,4a-b]oxirene-7,4'-[1,3]dioxane]-2,5'(4aH)-dione
Catalogue No.:PAI 02 005007
Molecular Formula : C27H36O6
Molecular Weight : 456.58
Catalogue No.:PA 29 0101004
Catalogue No.:PA 02 0051000
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