prednisolone and its Impurities
A synthetic form of cortecosteroid hormone made by adrenal glands. Prednisolone is helpful in treating inflammation and allergic conditions. It is a glucocorticoid that belongs to the family of steroids.Reference standards of Prednisolone API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.
 
	
			                                   
																				2-((10R,13S,17R)-11,17-Dihydroxy-10,13-dimethyl-3-oxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-17-yl)-2-oxoethyl Acetate
2-((10R,13S,17R)-11,17-Dihydroxy-10,13-dimethyl-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.:PAI 16 011081 
- CAS : - NA
- Molecular Formula : C23H30O6 
- Molecular Weight : 402.49 
 
	
			                                   
																				(8S,9S,10R,11S,13S,14S,17R)-11,17-Dihydroxy-17-(2-iodoacetyl)-10,13-dimethyl-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-3-one
(8S,9S,10R,11S,13S,14S,17R)-11,17-Dihydroxy-17-(2-iodoacetyl)-10,13-dimethyl-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-3-one
- Catalogue No.:PAI 16 011082 
- CAS : - NA
- Molecular Formula : C21H27IO4 
- Molecular Weight : 470.35 
 
	
			                                   
																				2-((8S,9S,10R,11S,13S,14S,17S)-11-Hydroxy-10,13-dimethyl-3-oxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-17-yl)-2-oxoacetic acid
2-((8S,9S,10R,11S,13S,14S,17S)-11-Hydroxy-10,13-dimethyl-3-oxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-17-yl)-2-oxoacetic acid
- Catalogue No.:PA 16 0441009 
- CAS : - NA
- Molecular Formula : C21H26O5 
- Molecular Weight : 358.43 
 
	
			                                   
																				2-((8S,9S,10R,11S,13S,14S,17R)-17-hydroxy-10,13-dimethyl-11-((methylsulfonyl)oxy)-3-oxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-17-yl)-2-oxoethyl methanesulfonate
2-((8S,9S,10R,11S,13S,14S,17R)-17-hydroxy-10,13-dimethyl-11-((methylsulfonyl)oxy)-3-oxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-17-yl)-2-oxoethyl methanesulfonate
- Catalogue No.:PAI 16 011083 
- CAS : - NA
- Molecular Formula : C23H32O9S2 
- Molecular Weight : 516.62 
 
	
			                                   
																				(8S,9S,10R,11S,13S,14S,17R)-17-hydroxy-11-iodo-17-(2-iodoacetyl)-10,13-dimethyl-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-3-one
(8S,9S,10R,11S,13S,14S,17R)-17-hydroxy-11-iodo-17-(2-iodoacetyl)-10,13-dimethyl-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-3-one
- Catalogue No.:PAI 16 011084 
- CAS : - NA
- Molecular Formula : C21H26I2O3 
- Molecular Weight : 580.24 
 
	
			                                   
																				2-((8S,9S,10R,11S,13S,14S,17R)-17-hydroxy-10,13-dimethyl-3-oxo-11-(tosyloxy)-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-17-yl)-2-oxoethyl 4-methylbenzenesulfonate
2-((8S,9S,10R,11S,13S,14S,17R)-17-hydroxy-10,13-dimethyl-3-oxo-11-(tosyloxy)-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-17-yl)-2-oxoethyl 4-methylbenzenesulfonate
- Catalogue No.:PAI 16 011085 
- CAS : - NA
- Molecular Formula : C35H40O9S2 
- Molecular Weight : 668.82 
 
	
			                                   
																				(Z)-1-((8S,9S,10R,11S,13S,14S)-11-Hydroxy-10,13-dimethyl-3-oxo-3,6,7,8,9,10,11,12,13,14,15,16-dodecahydro-17H-cyclopenta[a]phenanthren-17-ylidene)-2-oxoethyl acetate
(Z)-1-((8S,9S,10R,11S,13S,14S)-11-Hydroxy-10,13-dimethyl-3-oxo-3,6,7,8,9,10,11,12,13,14,15,16-dodecahydro-17H-cyclopenta[a]phenanthren-17-ylidene)-2-oxoethyl acetate
- Catalogue No.:PA 16 0441010 
- CAS : - 118866-09-4
- Molecular Formula : C23H28O5 
- Molecular Weight : 384.47 
 
	
			                                   
																				((1R,4bS,10aR,10bS,11S,12aS)-1,11-Dihydroxy-10a,12a-dimethyl-2,8-dioxo-1,2,3,4,4a,4b,5,6,8,10a,10b,11,12,12a-tetradecahydrochrysen-1-yl)methyl dihydrogen phosphate
((1R,4bS,10aR,10bS,11S,12aS)-1,11-Dihydroxy-10a,12a-dimethyl-2,8-dioxo-1,2,3,4,4a,4b,5,6,8,10a,10b,11,12,12a-tetradecahydrochrysen-1-yl)methyl dihydrogen phosphate
- Catalogue No.:PA 16 0441011 
- CAS : - NA
- Molecular Formula : C21H29O8P 
- Molecular Weight : 440.43 
 
	
			                                   
																				(Z)-2-(2-Carbamoylhydrazono)-2-((8S,9S,10R,11S,13S,14S,17R,E)-3-(2-carbamoylhydrazono)-11,17-dihydroxy-10,13-dimethyl-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-17-yl)ethyl acetate
(Z)-2-(2-Carbamoylhydrazono)-2-((8S,9S,10R,11S,13S,14S,17R,E)-3-(2-carbamoylhydrazono)-11,17-dihydroxy-10,13-dimethyl-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-17-yl)ethyl acetate
- Catalogue No.:PA 16 0441013 
- CAS : - 96580-08-4
- Molecular Formula : C25H36N6O6 
- Molecular Weight : 516.6 
 
	
			                                   
																				(Z)-2-(1-((8S,9S,10R,11S,13S,14S,17R,E)-3-(2-Carbamoylhydrazono)-11,17-dihydroxy-10,13-dimethyl-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-17-yl)-2-hydroxyethylidene)hydrazine-1-carboxamide
(Z)-2-(1-((8S,9S,10R,11S,13S,14S,17R,E)-3-(2-Carbamoylhydrazono)-11,17-dihydroxy-10,13-dimethyl-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-17-yl)-2-hydroxyethylidene)hydrazine-1-carboxamide
- Catalogue No.:PA 16 0441014 
- CAS : - 97830-94-9
- Molecular Formula : C23H34N6O5 
- Molecular Weight : 474.56 
 
	
			                                   
																				Sodium 2-((10R,11R,13S,17R)-11,17-dihydroxy-10,13-dimethyl-3-oxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-17-yl)-2-oxoethyl Phosphate
Sodium 2-((10R,11R,13S,17R)-11,17-dihydroxy-10,13-dimethyl-3-oxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-17-yl)-2-oxoethyl Phosphate
- Catalogue No.:PA 16 0441018 
- CAS : - NA
- Molecular Formula : C21H27Na2O8P 
- Molecular Weight : 484.39 
 
	
			                                   
																				((4aS,4bS,10aR,10bS,11S,12aS)-1,11-Dihydroxy-10a,12a-dimethyl-2,8-dioxo-1,2,3,4,4a,4b,5,6,8,10a,10b,11,12,12a-tetradecahydrochrysen-1-yl)methyl Dihydrogen Phosphate
((4aS,4bS,10aR,10bS,11S,12aS)-1,11-Dihydroxy-10a,12a-dimethyl-2,8-dioxo-1,2,3,4,4a,4b,5,6,8,10a,10b,11,12,12a-tetradecahydrochrysen-1-yl)methyl Dihydrogen Phosphate
- Catalogue No.:PA 16 0441020 
- CAS : - 95615-71-7
- Molecular Formula : C21H29O8P 
- Molecular Weight : 440.43 
 
	
			                                   
																				(2'S,8S,10R,11S,13S,14S,17R)-2'-Ethoxy-2'-ethyl-11-hydroxy-10,13-dimethyl-7,8,9,10,11,12,13,14,15,16-decahydrospiro[cyclopenta[a]phenanthrene-17,4'-[1,3]dioxane]-3,5'(6H)-dione
(2'S,8S,10R,11S,13S,14S,17R)-2'-Ethoxy-2'-ethyl-11-hydroxy-10,13-dimethyl-7,8,9,10,11,12,13,14,15,16-decahydrospiro[cyclopenta[a]phenanthrene-17,4'-[1,3]dioxane]-3,5'(6H)-dione
- Catalogue No.:PAI 16 011086 
- CAS : - NA
- Molecular Formula : C26H36O6 
- Molecular Weight : 444.57 
 
	
			                                   
																				(8S,10R,11S,13S,14S,17R)-11-Hydroxy-17-(2-hydroxyacetyl)-10,13-dimethyl-3-oxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-17-yl propionate
(8S,10R,11S,13S,14S,17R)-11-Hydroxy-17-(2-hydroxyacetyl)-10,13-dimethyl-3-oxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-17-yl propionate
- Catalogue No.:PAI 16 011087 
- CAS : - NA
- Molecular Formula : C24H32O6 
- Molecular Weight : 416.51 
 
	
			                                   
																				(8S,10R,11S,13S,14S,17R)-17-(2-Acetoxyacetyl)-11-hydroxy-10,13-dimethyl-3-oxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-17-yl propionate
(8S,10R,11S,13S,14S,17R)-17-(2-Acetoxyacetyl)-11-hydroxy-10,13-dimethyl-3-oxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-17-yl propionate
- Catalogue No.:PAI 16 011088 
- CAS : - NA
- Molecular Formula : C26H34O7 
- Molecular Weight : 458.55 
 
	
			                                   
																				(8S,10R,11R,13S,14S,17R)-17-(2-Acetoxyacetyl)-11-hydroxy-10,13-dimethyl-3-oxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-17-yl propionate
(8S,10R,11R,13S,14S,17R)-17-(2-Acetoxyacetyl)-11-hydroxy-10,13-dimethyl-3-oxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-17-yl propionate
- Catalogue No.:PAI 16 011089 
- CAS : - NA
- Molecular Formula : C26H34O7 
- Molecular Weight : 458.55 
 
	
			                                   
																				(8S,10R,13S,14S,17S)-11-Hydroxy-10,13-dimethyl-3-oxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthrene-17-carboxylic Acid
(8S,10R,13S,14S,17S)-11-Hydroxy-10,13-dimethyl-3-oxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthrene-17-carboxylic Acid
- Catalogue No.:PA 16 0441027 
- CAS : - NA
- Molecular Formula : C20H26O4 
- Molecular Weight : 330.42 
 
	
			                                   
																				2-((8S,9R,10S,11S,13S,14S,17R)-9-Bromo-11,17-dihydroxy-10,13-dimethyl-3-oxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-17-yl)-2-oxoethyl acetate
2-((8S,9R,10S,11S,13S,14S,17R)-9-Bromo-11,17-dihydroxy-10,13-dimethyl-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 16 0441022 
- CAS : - 4224-31-1
- Molecular Formula : C23H29BrO6 
- Molecular Weight : 481.38 
 
	
			                                   
																				(8S,9S,10R,11S,13S,14S)-11-Hydroxy-17-(4-(hydroxymethyl)-1,3-dioxolane-2-carbonyl)-10,13-dimethyl-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-3-one
(8S,9S,10R,11S,13S,14S)-11-Hydroxy-17-(4-(hydroxymethyl)-1,3-dioxolane-2-carbonyl)-10,13-dimethyl-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-3-one
- Catalogue No.:PA 16 0441032 
- CAS : - NA
- Molecular Formula : C24H32O6 
- Molecular Weight : 416.51 
 
	
			                                   
																				2-((8S,9S,10R,13S,14S,17R)-17-Hydroxy-10,13-dimethyl-3,11-dioxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-17-yl)-2-oxoacetic Acid
2-((8S,9S,10R,13S,14S,17R)-17-Hydroxy-10,13-dimethyl-3,11-dioxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-17-yl)-2-oxoacetic Acid
- Catalogue No.:PA 16 0441033 
- CAS : - NA
- Molecular Formula : C21H24O6 
- Molecular Weight : 372.42 

 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
										 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
 
 
 
