Betamethasone Impurities

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Impurity structure Parent Drug Name Name of Impurity Catalogue No. CAS No.
Betamethasone 11-Oxo 17-Propionate Betamethasone

Betamethasone 11-Oxo 17-Propionate

VE007324 N/A
Betamethasone 11-Oxo 21-Acetate Betamethasone

Betamethasone 11-Oxo 21-Acetate

VE007326 8/1/4772
Betamethasone 11-Oxo Impurity Betamethasone

Betamethasone 11-Oxo Impurity

VE007327 2282-51-1
Betamethasone 11,21-Dipropionate Betamethasone

Betamethasone 11,21-Dipropionate

VE0013050 N/A
Betamethasone 17-Acetate Betamethasone

Betamethasone 17-Acetate

VE007353 5534-12-3
Betamethasone 17-Oxo Impurity Betamethasone

Betamethasone 17-Oxo Impurity

VE007328 1/1/3109
Betamethasone 21-Mesylate Betamethasone

Betamethasone 21-Mesylate

VE007362 1881-66-9
Betamethasone 6alpha-Bromo Impurity Betamethasone

Betamethasone 6alpha-Bromo Impurity

VE007329 1203841-38-6
Betamethasone Acetate EP Impurity C Betamethasone

Betamethasone Acetate EP Impurity C

VE008192 330157-05-6
Betamethasone Acetate EP Impurity D Betamethasone

Betamethasone Acetate EP Impurity D

VE005875 912-38-9
Betamethasone delta 17, 20, 21-Aldehyde (Mixture of Isomer) Betamethasone

Betamethasone delta 17, 20, 21-Aldehyde (Mixture of Isomer)

VL2700004 6762-45-4
Betamethasone di Acetate Impurity Betamethasone

Betamethasone di Acetate Impurity

VE007339 86270-68-0
Betamethasone Dipropionate EP Impurity B Betamethasone / Clobetasol

Betamethasone Dipropionate EP Impurity B

VL2700001 5534-13-4
Betamethasone Dipropionate EP Impurity C Betamethasone, Clobetasol

Betamethasone Dipropionate EP Impurity C

VL2700002 75883-07-7
Betamethasone Dipropionate EP Impurity D Betamethasone

Betamethasone Dipropionate EP Impurity D

VL2700003 5514-81-8
Betamethasone Dipropionate EP Impurity E Betamethasone

Betamethasone Dipropionate EP Impurity E

VL2700021 5534-09-8
Betamethasone Dipropionate EP Impurity G Betamethasone

Betamethasone Dipropionate EP Impurity G

VL2700017 1186048-33-8
Betamethasone Dipropionate EP Impurity H Betamethasone

Betamethasone Dipropionate EP Impurity H

VL2700019 1186048-34-9
Betamethasone Dipropionate EP Impurity I Betamethasone

Betamethasone Dipropionate EP Impurity I

VL2700020 80163-83-3
Budesonide for System Suitability CRS (Y0001148) Betamethasone

Betamethasone dipropionate for system suitability A CRS (Y0001925)

PVE00357 5593-4-20
Betamethasone EP Impurity B Betamethasone

Betamethasone EP Impurity B

VE007330 25122-41-2
Betamethasone EP Impurity C Betamethasone

Betamethasone EP Impurity C

VL2700011 13504-15-9
Betamethasone EP Impurity D Betamethasone

Betamethasone EP Impurity D

VL2700014 52619-05-3
Betamethasone EP Impurity F Betamethasone

Betamethasone EP Impurity F

VE0012724 330157-04-5
Betamethasone EP Impurity G Betamethasone

Betamethasone EP Impurity G

VL2700015 85700-75-0
Betamethasone EP Impurity H Betamethasone

Betamethasone EP Impurity H

VE007331 185613-71-2
Betamethasone EP Impurity I Betamethasone

Betamethasone EP Impurity I

VE007332 185613-69-8
Betamethasone EP Impurity J Betamethasone

Betamethasone EP Impurity J

VE007333 18383-24-9
Betamethasone Epoxy Dihydrogen Phosphate Betamethasone

Betamethasone Epoxy Dihydrogen Phosphate

VE007359 N/A
Betamethasone Impurity  2 Betamethasone

Betamethasone Impurity 2

VE0013034 1257544-85-6
Betamethasone Impurity 2 Betamethasone

Betamethasone Impurity 2

VE007343 1240591-58-5
Betamethasone Impurity 20 Betamethasone

Betamethasone Impurity 20

VE0013039 4735-65-3
Betamethasone Impurity 21 Betamethasone

Betamethasone Impurity 21

VE0013043 N/A
Betamethasone Impurity 3 Betamethasone

Betamethasone Impurity 3

VE007344 5533-97-1
Betamethasone Impurity 4 Betamethasone

Betamethasone Impurity 4

VE007345 1155886-49-9
Betamethasone Impurity 43 Betamethasone

Betamethasone Impurity 43

VE0013033 N/A
Betamethasone Impurity 44 Betamethasone

Betamethasone Impurity 44

VE0013045 N/A
Betamethasone Impurity 45 Betamethasone

Betamethasone Impurity 45

VE0013046 N/A
Betamethasone Impurity 48 Betamethasone

Betamethasone Impurity 48

VE0013047 4735-64-2
Betamethasone Impurity 52 Betamethasone

Betamethasone Impurity 52

VE0013041 N/A
Betamethasone Impurity 61 Betamethasone

Betamethasone Impurity 61

VE0013049 1203841-45-5
Betamethasone Impurity 7 (Mixture of Diastereomers) Betamethasone

Betamethasone Impurity 7 (Mixture of Diastereomers)

VE0013035 1249-19-0
Betamethasone Impurity 8 Betamethasone

Betamethasone Impurity 8

VE007352 73528-28-6
Betamethasone Valerate EP Impurity D Betamethasone

Betamethasone Valerate EP Impurity D

VE007005 N/A
Betamethasone-​(E)​-​enolaldehyde Betamethasone

Betamethasone-​(E)​-​enolaldehyde

VE007342 52647-07-1
Betamethasone-​(Z)​-​enolaldehyde Betamethasone

Betamethasone-​(Z)​-​enolaldehyde

VE007341 52647-06-0
Betamethasone-4,6,11,12,12-D5 21-Phosphate Betamethasone

Betamethasone-4,6,11,12,12-D5 21-Phosphate

DVE00220 N/A
Betamethasone-D5 Betamethasone

Betamethasone-D5

DVE00219 N/A
D-Homo A Derivative of Betamethasone Sodium Phosphate Betamethasone

D-Homo A Derivative of Betamethasone Sodium Phosphate

VE007350 1201919-11-0
D-Homo B Derivative of Betamethasone Sodium Phosphate Betamethasone

D-Homo B Derivative of Betamethasone Sodium Phosphate

VE007349 1201919-18-7