Betamethasone

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Pharmaceutical Reference Standards

Betamethasone Acetate

CAT. No.	CP-B104000
CAS. No.	987-24-6
Mol. F.	C24H31FO6
Mol. Wt.	434.50
Stock Status:	Custom Synthesis

Betamethasone Acetate EP Impurity C

CAT. No.	CP-B104003
CAS. No.	330157-05-6
Mol. F.	C26H33FO7
Mol. Wt.	476.54
Stock Status:	Custom Synthesis

Betamethasone Acetate EP Impurity D

CAT. No.	CP-B104004
CAS. No.	912-38-9
Mol. F.	C24H30O6
Mol. Wt.	414.5
Stock Status:	Custom Synthesis

Betamethasone EP Impurity A

CAT. No.	CP-B25001
CAS. No.	50-02-2
Mol. F.	C22H29FO5
Mol. Wt.	392.46
Stock Status:	In Stock

Betamethasone Dipropionate

CAT. No.	CP-B26000
CAS. No.	5593-20-4
Mol. F.	C28H37FO7
Mol. Wt.	504.60
Stock Status:	In Stock

Betamethasone Dipropionate EP Impurity B

CAT. No.	CP-B26002
CAS. No.	5534-13-4
Mol. F.	C25H33FO6
Mol. Wt.	448.53
Stock Status:	Custom Synthesis

Betamethasone Dipropionate EP Impurity C

CAT. No.	CP-B26003
CAS. No.	75883-07-7
Mol. F.	C25H33FO6
Mol. Wt.	448.53
Stock Status:	Custom Synthesis

Betamethasone Dipropionate EP Impurity D

CAT. No.	CP-B26004
CAS. No.	5514-81-8
Mol. F.	C27H35FO7
Mol. Wt.	490.57
Stock Status:	In Stock

Betamethasone Dipropionate EP Impurity E

CAT. No.	CP-B26005
CAS. No.	5534-09-8
Mol. F.	C28H37ClO7
Mol. Wt.	521.05
Stock Status:	In Stock

Betamethasone Dipropionate EP Impurity F

CAT. No.	CP-B26006
CAS. No.	66917-44-0
Mol. F.	C28H36O7
Mol. Wt.	484.59
Stock Status:	In Stock

Betamethasone Dipropionate EP Impurity G

CAT. No.	CP-B26007
CAS. No.	1186048-33-8
Mol. F.	C31H41FO8
Mol. Wt.	560.66
Stock Status:	In Stock

Betamethasone Dipropionate EP Impurity H

CAT. No.	CP-B26008
CAS. No.	2575516-37-7
Mol. F.	C28H36BrFO7
Mol. Wt.	583.49
Stock Status:	In Stock

Beclometasone Dipropionate EP Impurity J

CAT. No.	CP-B38010
CAS. No.	66917-44-0
Mol. F.	C28H36O7
Mol. Wt.	484.59
Stock Status:	In Stock

Betamethasone Valrate

CAT. No.	CP-B5000
CAS. No.	2152-44-5
Mol. F.	C27H37FO6
Mol. Wt.	476.6
Stock Status:	In Stock

Betamethasone Valerate EP Impurity B

CAT. No.	CP-B5002
CAS. No.	1879-77-2
Mol. F.	C22H29FO4
Mol. Wt.	376.47
Stock Status:	Custom Synthesis

Betamethasone Valerate EP Impurity C

CAT. No.	CP-B5003
CAS. No.	33755-46-3
Mol. F.	C27H37FO6
Mol. Wt.	476.59
Stock Status:	Custom Synthesis

Betamethasone Valerate EP Impurity D

CAT. No.	CP-B5004
CAS. No.	NA
Mol. F.	C27H37BrO6
Mol. Wt.	537.49
Stock Status:	Custom Synthesis

Betamethasone Valerate EP Impurity E

CAT. No.	CP-B5005
CAS. No.	2240-28-0
Mol. F.	C27H37FO6
Mol. Wt.	476.59
Stock Status:	Custom Synthesis

Betamethasone Valerate EP Impurity F

CAT. No.	CP-B5006
CAS. No.	16125-28-3
Mol. F.	C27H36O5
Mol. Wt.	440.58
Stock Status:	Custom Synthesis

Betamethasone Valerate EP Impurity G

CAT. No.	CP-B5007
CAS. No.	NA
Mol. F.	C27H36BrFO6
Mol. Wt.	555.48
Stock Status:	Custom Synthesis

Betamethasone Valerate EP Impurity H

CAT. No.	CP-B5008
CAS. No.	52619-18-8
Mol. F.	C27H37ClO6
Mol. Wt.	493.04
Stock Status:	Custom Synthesis

Betamethasone Valerate EP Impurity I

CAT. No.	CP-B5009
CAS. No.	2802-10-0
Mol. F.	C26H35FO6
Mol. Wt.	462.56
Stock Status:	Custom Synthesis

Betamethasone Sodium Phosphate Impurity B

CAT. No.	CP-B92002
CAS. No.	2392-39-4
Mol. F.	C22H28FO8P : 2(Na)
Mol. Wt.	470.43 : 2(23.0)
Stock Status:	Custom Synthesis

Rel. Cas No: 312-93-6 (free base)

Betamethasone Sodium Phosphate Impurity C

CAT. No.	CP-B92003
CAS. No.	1201919-11-0
Mol. F.	C22H28FO8P : 2(Na)
Mol. Wt.	470.43 : 2(23.0)
Stock Status:	Custom Synthesis

Rel. Cas No: 1202001-99-7 (free base)

Betamethasone Sodium Phosphate Impurity D

CAT. No.	CP-B92004
CAS. No.	1201919-18-7
Mol. F.	C22H28FO8P : 2(Na)
Mol. Wt.	470.43 : 2(23.0)
Stock Status:	Custom Synthesis

Rel. Cas No: 1202002-01-4 (free base)

Betamethasone Sodium Phosphate Impurity E

CAT. No.	CP-B92005
CAS. No.	NA
Mol. F.	C22H28FO8P : 2(Na)
Mol. Wt.	470.43 : 2(23.0)
Stock Status:	Custom Synthesis

Betamethasone Sodium Phosphate Impurity F

CAT. No.	CP-B92006
CAS. No.	NA
Mol. F.	C22H28FO8P : 2(Na)
Mol. Wt.	470.43 : 2(23.0)
Stock Status:	Custom Synthesis

Betamethasone Sodium Phosphate Impurity G

CAT. No.	CP-B92007
CAS. No.	37926-75-3
Mol. F.	C21H27FO5
Mol. Wt.	378.44
Stock Status:	Custom Synthesis

Betamethasone Sodium Phosphate Impurity H

CAT. No.	CP-B92008
CAS. No.	NA
Mol. F.	C22H30FO8P : 2(Na)
Mol. Wt.	472.45 : 2(23.0)
Stock Status:	Custom Synthesis

α-Epoxy Betamethasone Phosphate

CAT. No.	CP-B92009
CAS. No.	NA
Mol. F.	C22H29O8P
Mol. Wt.	452.44
Stock Status:	Custom Synthesis

Betamethasone Sodium Phosphate Impurity 1

CAT. No.	CP-B92010
CAS. No.	NA
Mol. F.	C22H28FO8P : 2(Na)
Mol. Wt.	470.43 : 2(23.0)
Stock Status:	Custom Synthesis

β-Epoxy Betamethasone Phosphate

CAT. No.	CP-B92011
CAS. No.	NA
Mol. F.	C22H29O8P
Mol. Wt.	452.44
Stock Status:	Custom Synthesis

Betamethasone Sodium Phosphate Impurity 2

CAT. No.	CP-B92012
CAS. No.	NA
Mol. F.	C22H31FO11P2
Mol. Wt.	552.42
Stock Status:	Custom Synthesis

Betamethasone Sodium Phosphate Impurity 3

CAT. No.	CP-B92013
CAS. No.	NA
Mol. F.	C22H28FO8P2 : 2(Na)
Mol. Wt.	470.43 : 2(23.0)
Stock Status:	Custom Synthesis

Betamethasone Sodium Phosphate Impurity 4

CAT. No.	CP-B92014
CAS. No.	NA
Mol. F.	C23H30FO7P2 : 2(Na)
Mol. Wt.	468.46 : 2(23.0)
Stock Status:	Custom Synthesis

Betamethasone Sodium Phosphate Impurity 5

CAT. No.	CP-B92015
CAS. No.	1215899-29-8
Mol. F.	C22H30FO8P
Mol. Wt.	472.45
Stock Status:	Custom Synthesis

Betamethasone Sodium Phosphate Impurity 6

CAT. No.	CP-B92016
CAS. No.	1215899-28-7
Mol. F.	C22H30FO8P
Mol. Wt.	472.45
Stock Status:	Custom Synthesis

Rel. Cas No: 1215720-27-6 (2Na salt)

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