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Pharmaceutical Reference Standards

Budesonide

Picture of Budesonide
CAT No: SZ-B022001
CAS No: 51333-22-3
Mol.F. : C25H34O6
Mol.Wt. : 430.5
Inv. Status: In Stock
SZ-B022001
CAS No:51333-22-3
Mol.F.: C25H34O6
Mol.Wt.: 430.5
Inv. Status: In Stock

Budesonide EP Impurity A

Picture of Budesonide EP Impurity A
CAT No: SZ-B022002
CAS No: 13951-70-7
Mol.F. : C21H28O6
Mol.Wt. : 376.4
Inv. Status: In Stock
SZ-B022002
CAS No:13951-70-7
Mol.F.: C21H28O6
Mol.Wt.: 376.4
Inv. Status: In Stock

Budesonide EP Impurity B 

Picture of Budesonide EP Impurity B 
CAT No: SZ-B022003
CAS No: 1040085-98-0
Mol.F. : C23H30O6
Mol.Wt. : 402.5
Inv. Status: In Stock
SZ-B022003
CAS No:1040085-98-0
Mol.F.: C23H30O6
Mol.Wt.: 402.5
Inv. Status: In Stock

Budesonide EP Impurity C

Picture of Budesonide EP Impurity C
CAT No: SZ-B022004
CAS No: 1040085-99-1
Mol.F. : C25H34O6
Mol.Wt. : 430.4
Inv. Status: In Stock
SZ-B022004
CAS No:1040085-99-1
Mol.F.: C25H34O6
Mol.Wt.: 430.4
Inv. Status: In Stock

Budesonide EP Impurity D

Picture of Budesonide EP Impurity D
CAT No: SZ-B022005
CAS No: 85234-63-5
Mol.F. : C25H32O6
Mol.Wt. : 428.5
Inv. Status: In Stock
SZ-B022005
CAS No:85234-63-5
Mol.F.: C25H32O6
Mol.Wt.: 428.5
Inv. Status: In Stock

Budesonide EP Impurity E

Picture of Budesonide EP Impurity E
CAT No: SZ-B022006
CAS No: 131918-64-4
Mol.F. : C25H32O6
Mol.Wt. : 428.5
Inv. Status: In Stock
SZ-B022006
CAS No:131918-64-4
Mol.F.: C25H32O6
Mol.Wt.: 428.5
Inv. Status: In Stock

Budesonide EP Impurity F

Picture of Budesonide EP Impurity F
CAT No: SZ-B022007
CAS No: 638-94-8
Mol.F. : C24H32O6
Mol.Wt. : 416.5
Inv. Status: Out of Stock
SZ-B022007
CAS No:638-94-8
Mol.F.: C24H32O6
Mol.Wt.: 416.5
Inv. Status: Out of Stock

Budesonide EP Impurity G

Picture of Budesonide EP Impurity G
CAT No: SZ-B022008
CAS No: 137174-25-5
Mol.F. : C25H36O6
Mol.Wt. : 432.6
Inv. Status: In Stock
SZ-B022008
CAS No:137174-25-5
Mol.F.: C25H36O6
Mol.Wt.: 432.6
Inv. Status: In Stock

Budesonide EP Impurity H

Picture of Budesonide EP Impurity H
CAT No: SZ-B022009
CAS No: 313474-58-7
Mol.F. : C25H32O5
Mol.Wt. : 412.5
Inv. Status: In Stock
SZ-B022009
CAS No:313474-58-7
Mol.F.: C25H32O5
Mol.Wt.: 412.5
Inv. Status: In Stock

Budesonide EP Impurity I

Picture of Budesonide EP Impurity I
CAT No: SZ-B022010
CAS No: 113930-13-5
Mol.F. : C25H34O7
Mol.Wt. : 446.5
Inv. Status: In Stock
SZ-B022010
CAS No:113930-13-5
Mol.F.: C25H34O7
Mol.Wt.: 446.5
Inv. Status: In Stock

Budesonide EP Impurity J 

Picture of Budesonide EP Impurity J 
CAT No: SZ-B022011
CAS No: 313474-59-8
Mol.F. : C25H33BrO6
Mol.Wt. : 509.4
Inv. Status: In Stock
SZ-B022011
CAS No:313474-59-8
Mol.F.: C25H33BrO6
Mol.Wt.: 509.4
Inv. Status: In Stock

Budesonide EP Impurity K

Picture of Budesonide EP Impurity K
CAT No: SZ-B022012
CAS No: 51333-05-2
Mol.F. : C27H36O7
Mol.Wt. : 472.6
Inv. Status: In Stock
SZ-B022012
CAS No:51333-05-2
Mol.F.: C27H36O7
Mol.Wt.: 472.6
Inv. Status: In Stock

Budesonide EP Impurity L

Picture of Budesonide EP Impurity L
CAT No: SZ-B022013
CAS No: 216453-74-6
Mol.F. : C25H32O6
Mol.Wt. : 428.5
Inv. Status: In Stock
SZ-B022013
CAS No:216453-74-6
Mol.F.: C25H32O6
Mol.Wt.: 428.5
Inv. Status: In Stock

Budesonide (22R)-Isomer

Picture of Budesonide (22R)-Isomer
CAT No: SZ-B022014
CAS No: 51372-29-3
Mol.F. : C25H34O6
Mol.Wt. : 430.5
Inv. Status: Limited Stock
SZ-B022014
CAS No:51372-29-3
Mol.F.: C25H34O6
Mol.Wt.: 430.5
Inv. Status: Limited Stock

Budesonide (22S)-Isomer

Picture of Budesonide (22S)-Isomer
CAT No: SZ-B022015
CAS No: 51372-28-2
Mol.F. : C25H34O6
Mol.Wt. : 430.5
Inv. Status: Limited Stock
SZ-B022015
CAS No:51372-28-2
Mol.F.: C25H34O6
Mol.Wt.: 430.5
Inv. Status: Limited Stock

16Alpha-Hydroxy Prednisolone-14-ene Acetate

Picture of 16Alpha-Hydroxy Prednisolone-14-ene Acetate
CAT No: SZ-B022016
CAS No: 131918-72-4
Mol.F. : C23H28O7
Mol.Wt. : 416.5
Inv. Status: In Stock
SZ-B022016
CAS No:131918-72-4
Mol.F.: C23H28O7 
Mol.Wt.: 416.5
Inv. Status: In Stock

Budesonide 1,4,16-Triene Impurity

Picture of Budesonide 1,4,16-Triene Impurity
CAT No: SZ-B022017
CAS No: 3044-42-6
Mol.F. : C23H28O5
Mol.Wt. : 384.5
Inv. Status: In Stock
SZ-B022017
CAS No:3044-42-6
Mol.F.: C23H28O5
Mol.Wt.: 384.5
Inv. Status: In Stock

Budesonide 17,21-Diacetyloxy Impurity

Picture of Budesonide 17,21-Diacetyloxy Impurity
CAT No: SZ-B022018
CAS No: 17652-24-3
Mol.F. : C25H32O7
Mol.Wt. : 444.5
Inv. Status: In Stock
SZ-B022018
CAS No:17652-24-3
Mol.F.: C25H32O7
Mol.Wt.: 444.5
Inv. Status: In Stock

Budesonide 17-Carboxylic Acid Impurity

Picture of Budesonide 17-Carboxylic Acid Impurity
CAT No: SZ-B022019
CAS No: 192057-49-1
Mol.F. : C24H32O6
Mol.Wt. : 416.5
Inv. Status: In Stock
SZ-B022019
CAS No:192057-49-1
Mol.F.: C24H32O6
Mol.Wt.: 416.5
Inv. Status: In Stock

Budesonide 21-Butyrate Impurity

Picture of Budesonide 21-Butyrate Impurity
CAT No: SZ-B022020
CAS No: 2408495-96-3
Mol.F. : C29H40O7
Mol.Wt. : 500.6
Inv. Status: In Stock
SZ-B022020
CAS No:2408495-96-3
Mol.F.: C29H40O7
Mol.Wt.: 500.6
Inv. Status: In Stock

Budesonide 6-Alpha-Hydroxy Impurity

Picture of Budesonide 6-Alpha-Hydroxy Impurity
CAT No: SZ-B022021
CAS No: 577777-51-6
Mol.F. : C25H34O7
Mol.Wt. : 446.5
Inv. Status: Custom Synthesis
SZ-B022021
CAS No:577777-51-6
Mol.F.: C25H34O7
Mol.Wt.: 446.5
Inv. Status: Custom Synthesis

Budesonide 6-Beta-Hydroxy Impurity

Picture of Budesonide 6-Beta-Hydroxy Impurity
CAT No: SZ-B022022
CAS No: 88411-77-2
Mol.F. : C25H34O7
Mol.Wt. : 446.5
Inv. Status: In Stock
SZ-B022022
CAS No:88411-77-2
Mol.F.: C25H34O7
Mol.Wt.: 446.5
Inv. Status: In Stock

Budesonide Impurity

Picture of Budesonide Impurity
CAT No: SZ-B022023
CAS No: 910299-74-0
Mol.F. : C19H24O4
Mol.Wt. : 316.4
Inv. Status: In Stock
SZ-B022023
CAS No:910299-74-0
Mol.F.: C19H24O4 
Mol.Wt.: 316.4
Inv. Status: In Stock

Budesonide Impurity 1

Picture of Budesonide Impurity 1
CAT No: SZ-B022024
CAS No: NA
Mol.F. : C25H32O7
Mol.Wt. : 444.5
Inv. Status: In Stock
SZ-B022024
CAS No:NA
Mol.F.: C25H32O7 
Mol.Wt.: 444.5
Inv. Status: In Stock

Budesonide Sulfate Sodium

Picture of Budesonide Sulfate Sodium
CAT No: SZ-B022025
CAS No: NA
Mol.F. : C25H33O9S : Na
Mol.Wt. : 509.6 : 23.0
Inv. Status: Custom Synthesis
Rel. CAT No : SZ-B022029,
SZ-B022025
CAS No:NA
Mol.F.: C25H33O9S : Na
Mol.Wt.: 509.6 : 23.0
Inv. Status: Custom Synthesis

23-Hydroxy Budesonide

Picture of 23-Hydroxy Budesonide
CAT No: SZ-B022026
CAS No: 109423-03-2
Mol.F. : C25H34O7
Mol.Wt. : 446.6
Inv. Status: Custom Synthesis
SZ-B022026
CAS No:109423-03-2
Mol.F.: C25H34O7 
Mol.Wt.: 446.6
Inv. Status: Custom Synthesis

24-Hydroxy Budesonide

Picture of 24-Hydroxy Budesonide
CAT No: SZ-B022027
CAS No: NA
Mol.F. : C25H34O7
Mol.Wt. : 446.6
Inv. Status: Custom Synthesis
SZ-B022027
CAS No:NA
Mol.F.: C25H34O7 
Mol.Wt.: 446.6
Inv. Status: Custom Synthesis

6-Beta-Hydroxy Budesonide Sulfate

Picture of 6-Beta-Hydroxy Budesonide Sulfate
CAT No: SZ-B022028
CAS No: NA
Mol.F. : C25H34O10S
Mol.Wt. : 526.6
Inv. Status: Custom Synthesis
SZ-B022028
CAS No:NA
Mol.F.: C25H34O10S 
Mol.Wt.: 526.6
Inv. Status: Custom Synthesis

Budesonide Sulfate

Picture of Budesonide Sulfate
CAT No: SZ-B022029
CAS No: NA
Mol.F. : C25H34O9S
Mol.Wt. : 510.6
Inv. Status: Custom Synthesis
Rel. CAT No : SZ-B022025,
SZ-B022029
CAS No:NA
Mol.F.: C25H34O9S
Mol.Wt.: 510.6
Inv. Status: Custom Synthesis

Androstandionic Impurity

Picture of Androstandionic Impurity
CAT No: SZ-B022030
CAS No: 85234-64-6
Mol.F. : C23H30O5
Mol.Wt. : 386.5
Inv. Status: In Stock
SZ-B022030
CAS No:85234-64-6
Mol.F.: C23H30O5 
Mol.Wt.: 386.5
Inv. Status: In Stock

Budesonide Propionaldehyde Impurity

Picture of Budesonide Propionaldehyde Impurity
CAT No: SZ-B022031
CAS No: 68293-09-4
Mol.F. : C24H32O6
Mol.Wt. : 416.5
Inv. Status: In Stock
SZ-B022031
CAS No:68293-09-4
Mol.F.: C24H32O6
Mol.Wt.: 416.5
Inv. Status: In Stock

16α-Hydroxycortisol

Picture of 16α-Hydroxycortisol
CAT No: SZ-B022032
CAS No: 1171-81-9
Mol.F. : C21H30O6
Mol.Wt. : 378.5
Inv. Status: In Stock
SZ-B022032
CAS No:1171-81-9
Mol.F.: C21H30O6
Mol.Wt.: 378.5
Inv. Status: In Stock

Budesonide Impurity 2

Picture of Budesonide Impurity 2
CAT No: SZ-B022033
CAS No: NA
Mol.F. : C21H24O4
Mol.Wt. : 340.4
Inv. Status: In Stock
SZ-B022033
CAS No:NA
Mol.F.: C21H24O4
Mol.Wt.: 340.4
Inv. Status: In Stock

Budesonide Impurity 3

Picture of Budesonide Impurity 3
CAT No: SZ-B022034
CAS No: NA
Mol.F. : C22H28O6
Mol.Wt. : 388.5
Inv. Status: Custom Synthesis
SZ-B022034
CAS No:NA
Mol.F.: C22H28O6
Mol.Wt.: 388.5
Inv. Status: Custom Synthesis

Budesonide Impurity 4

Picture of Budesonide Impurity 4
CAT No: SZ-B022035
CAS No: 77017-17-5
Mol.F. : C21H26O5
Mol.Wt. : 358.4
Inv. Status: In Stock
SZ-B022035
CAS No:77017-17-5
Mol.F.: C21H26O5
Mol.Wt.: 358.4
Inv. Status: In Stock

Lumibudesonide

Picture of Lumibudesonide
CAT No: SZ-B022036
CAS No: NA
Mol.F. : C25H34O6
Mol.Wt. : 430.5
Inv. Status: Under Synthesis
SZ-B022036
CAS No:NA
Mol.F.: C25H34O6
Mol.Wt.: 430.5
Inv. Status: Under Synthesis

Budesonide Impurity 5

Picture of Budesonide Impurity 5
CAT No: SZ-B022037
CAS No: NA
Mol.F. : C23H28O5
Mol.Wt. : 384.5
Inv. Status: Custom Synthesis
SZ-B022037
CAS No:NA
Mol.F.: C23H28O5
Mol.Wt.: 384.5
Inv. Status: Custom Synthesis

16Alpha-Hydroxy Prednisolone-9(11)-ene

Picture of 16Alpha-Hydroxy Prednisolone-9(11)-ene
CAT No: SZ-B022039
CAS No: 39672-76-9
Mol.F. : C21H26O5
Mol.Wt. : 358.4
Inv. Status: In Stock
SZ-B022039
CAS No:39672-76-9
Mol.F.: C21H26O5
Mol.Wt.: 358.4
Inv. Status: In Stock

Budesonide Impurity 8

Picture of Budesonide Impurity 8
CAT No: SZ-B022040
CAS No: 1234572-34-9
Mol.F. : C23H28O5
Mol.Wt. : 384.5
Inv. Status: Custom Synthesis
SZ-B022040
CAS No:1234572-34-9
Mol.F.: C23H28O5
Mol.Wt.: 384.5
Inv. Status: Custom Synthesis

Budesonide Impurity 8

Picture of Budesonide Impurity 8
CAT No: SZ-B022043
CAS No: NA
Mol.F. : C20H24O4
Mol.Wt. : 328.4
Inv. Status: Custom Synthesis
SZ-B022043
CAS No:NA
Mol.F.: C20H24O4
Mol.Wt.: 328.4
Inv. Status: Custom Synthesis

Budesonide Impurity 9

Picture of Budesonide Impurity 9
CAT No: SZ-B022044
CAS No: NA
Mol.F. : C24H32O6
Mol.Wt. : 416.5
Inv. Status: Custom Synthesis
SZ-B022044
CAS No:NA
Mol.F.: C24H32O6
Mol.Wt.: 416.5
Inv. Status: Custom Synthesis

Stable Isotopes And Metabolites

Budesonide D8

Picture of Budesonide D8
CAT No: SZ-B022D01
CAS No: 1105542-94-6
Mol.F. : C25H26D8O6
Mol.Wt. : 438.6
Inv. Status: In Stock
SZ-B022D01
CAS No:1105542-94-6
Mol.F.: C25H26D8O6
Mol.Wt.: 438.6
Inv. Status: In Stock

Budesonide D6

Picture of Budesonide D6
CAT No: SZ-B022D02
CAS No: 1134189-63-1
Mol.F. : C25H28D6O6
Mol.Wt. : 436.6
Inv. Status: Custom Synthesis
SZ-B022D02
CAS No:1134189-63-1
Mol.F.: C25H28D6O6
Mol.Wt.: 436.6
Inv. Status: Custom Synthesis