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Pharmaceutical Reference Standards

Ursodeoxycholic Acid

Picture of Ursodeoxycholic Acid
CAT No: SZ-U003001
CAS No: 128-13-2
Mol.F. : C24H40O4
Mol.Wt. : 392.6
Inv. Status: In Stock
Rel. CAT No : SZ-C143002,
SZ-U003001
CAS No:128-13-2
Mol.F.: C24H40O4 
Mol.Wt.: 392.6
Inv. Status: In Stock

Ursodeoxycholic Acid EP Impurity A

Picture of Ursodeoxycholic Acid EP Impurity A
CAT No: SZ-U003002
CAS No: 474-25-9
Mol.F. : C24H40O4
Mol.Wt. : 392.6
Inv. Status: In Stock
Rel. CAT No : SZ-C143001,
SZ-U003002
CAS No:474-25-9
Mol.F.: C24H40O4
Mol.Wt.: 392.6
Inv. Status: In Stock

Ursodeoxycholic Acid EP Impurity B

Picture of Ursodeoxycholic Acid EP Impurity B
CAT No: SZ-U003003
CAS No: 81-25-4
Mol.F. : C24H40O5
Mol.Wt. : 408.6
Inv. Status: In Stock
SZ-U003003
CAS No:81-25-4
Mol.F.: C24H40O5
Mol.Wt.: 408.6
Inv. Status: In Stock

Ursodeoxycholic Acid EP Impurity C

Picture of Ursodeoxycholic Acid EP Impurity C
CAT No: SZ-U003004
CAS No: 434-13-9
Mol.F. : C24H40O3
Mol.Wt. : 376.6
Inv. Status: In Stock
SZ-U003004
CAS No:434-13-9
Mol.F.: C24H40O3
Mol.Wt.: 376.6
Inv. Status: In Stock

Ursodeoxycholic Acid EP Impurity D

Picture of Ursodeoxycholic Acid EP Impurity D
CAT No: SZ-U003005
CAS No: 2955-27-3
Mol.F. : C24H40O5
Mol.Wt. : 408.6
Inv. Status: In Stock
SZ-U003005
CAS No:2955-27-3
Mol.F.: C24H40O5
Mol.Wt.: 408.6
Inv. Status: In Stock

Ursodeoxycholic Acid EP Impurity E

Picture of Ursodeoxycholic Acid EP Impurity E
CAT No: SZ-U003006
CAS No: 83-44-3
Mol.F. : C24H40O4
Mol.Wt. : 392.6
Inv. Status: In Stock
SZ-U003006
CAS No:83-44-3
Mol.F.: C24H40O4
Mol.Wt.: 392.6
Inv. Status: In Stock

Ursodeoxycholic Acid EP Impurity F

Picture of Ursodeoxycholic Acid EP Impurity F
CAT No: SZ-U003007
CAS No: 4651-67-6
Mol.F. : C24H38O4
Mol.Wt. : 390.6
Inv. Status: In Stock
SZ-U003007
CAS No:4651-67-6
Mol.F.: C24H38O4
Mol.Wt.: 390.6
Inv. Status: In Stock

Ursodeoxycholic Acid EP Impurity G 

Picture of Ursodeoxycholic Acid EP Impurity G 
CAT No: SZ-U003008
CAS No: 10538-55-3
Mol.F. : C25H42O4
Mol.Wt. : 406.6
Inv. Status: In Stock
SZ-U003008
CAS No:10538-55-3
Mol.F.: C25H42O4
Mol.Wt.: 406.6
Inv. Status: In Stock

Ursodeoxycholic Acid EP Impurity H

Picture of Ursodeoxycholic Acid EP Impurity H
CAT No: SZ-U003009
CAS No: 78919-26-3
Mol.F. : C24H40O4
Mol.Wt. : 392.6
Inv. Status: In Stock
SZ-U003009
CAS No:78919-26-3
Mol.F.: C24H40O4
Mol.Wt.: 392.6
Inv. Status: In Stock

Ursodeoxycholic Acid EP Impurity I

Picture of Ursodeoxycholic Acid EP Impurity I
CAT No: SZ-U003010
CAS No: 130593-75-8
Mol.F. : C24H42O3
Mol.Wt. : 378.6
Inv. Status: Custom Synthesis
SZ-U003010
CAS No:130593-75-8
Mol.F.: C24H42O3
Mol.Wt.: 378.6
Inv. Status: Custom Synthesis

Dehydrocholic Acid

Picture of Dehydrocholic Acid
CAT No: SZ-U003011
CAS No: 81-23-2
Mol.F. : C24H34O5
Mol.Wt. : 402.5
Inv. Status: In Stock
SZ-U003011
CAS No:81-23-2
Mol.F.: C24H34O5
Mol.Wt.: 402.5
Inv. Status: In Stock

7-Ketodeoxycholic acid

Picture of 7-Ketodeoxycholic acid
CAT No: SZ-U003012
CAS No: 911-40-0
Mol.F. : C24H38O5
Mol.Wt. : 406.6
Inv. Status: In Stock
SZ-U003012
CAS No:911-40-0
Mol.F.: C24H38O5
Mol.Wt.: 406.6
Inv. Status: In Stock

24-Nor Ursodeoxycholic Acid

Picture of 24-Nor Ursodeoxycholic Acid
CAT No: SZ-U003014
CAS No: 99697-24-2
Mol.F. : C23H38O4
Mol.Wt. : 378.6
Inv. Status: Custom Synthesis
SZ-U003014
CAS No:99697-24-2
Mol.F.: C23H38O4
Mol.Wt.: 378.6
Inv. Status: Custom Synthesis

Ursodeoxycholic Acid Impurity 1

Picture of Ursodeoxycholic Acid Impurity 1
CAT No: SZ-U003015
CAS No: 139265-35-3
Mol.F. : C23H38O5
Mol.Wt. : 394.6
Inv. Status: Custom Synthesis
SZ-U003015
CAS No:139265-35-3
Mol.F.: C23H38O5
Mol.Wt.: 394.6
Inv. Status: Custom Synthesis

Glycoursodeoxycholic Acid

Picture of Glycoursodeoxycholic Acid
CAT No: SZ-U003016
CAS No: 64480-66-6
Mol.F. : C26H43NO5
Mol.Wt. : 449.6
Inv. Status: Custom Synthesis
Rel. CAS No : 92411-07-9 (Na salt)
SZ-U003016
CAS No:64480-66-6
Mol.F.: C26H43NO5
Mol.Wt.: 449.6
Inv. Status: Custom Synthesis
Rel. CAS No : 92411-07-9 (Na salt)

Tauroursodeoxycholic Acid

Picture of Tauroursodeoxycholic Acid
CAT No: SZ-U003017
CAS No: 14605-22-2
Mol.F. : C26H45NO6S
Mol.Wt. : 499.7
Inv. Status: Custom Synthesis
Rel. CAS No : 35807-85-3 (Na salt) ; 117609-50-4 (dihydrate salr)
SZ-U003017
CAS No:14605-22-2
Mol.F.: C26H45NO6S
Mol.Wt.: 499.7
Inv. Status: Custom Synthesis
Rel. CAS No : 35807-85-3 (Na salt) ; 117609-50-4 (dihydrate salr)

3α,12β-Dihydroxycholanoic Acid

Picture of 3α,12β-Dihydroxycholanoic Acid
CAT No: SZ-U003018
CAS No: 570-62-7
Mol.F. : C24H40O4
Mol.Wt. : 392.6
Inv. Status: Custom Synthesis
Rel. CAS No : 64898-85-7 (Na salt)
SZ-U003018
CAS No:570-62-7
Mol.F.: C24H40O4
Mol.Wt.: 392.6
Inv. Status: Custom Synthesis
Rel. CAS No : 64898-85-7 (Na salt)

Stable Isotopes And Metabolites

Ursodeoxycholic Acid D4

Picture of Ursodeoxycholic Acid D4
CAT No: SZ-U003D01
CAS No: 347841-46-7
Mol.F. : C24H36D4O4
Mol.Wt. : 396.6
Inv. Status: Custom Synthesis
SZ-U003D01
CAS No:347841-46-7
Mol.F.: C24H36D4O4
Mol.Wt.: 396.6
Inv. Status: Custom Synthesis

Ursodeoxycholic Acid D5 Methyl Ester

Picture of Ursodeoxycholic Acid D5 Methyl Ester
CAT No: SZ-U003D02
CAS No: 93701-19-0
Mol.F. : C25H37D5O4
Mol.Wt. : 411.6
Inv. Status: Custom Synthesis
SZ-U003D02
CAS No:93701-19-0
Mol.F.: C25H37D5O4
Mol.Wt.: 411.6
Inv. Status: Custom Synthesis

24-Nor Ursodeoxycholic Acid-d5

Picture of 24-Nor Ursodeoxycholic Acid-d5
CAT No: SZ-U003D03
CAS No: NA
Mol.F. : C23H33D5O4
Mol.Wt. : 383.6
Inv. Status: Under Synthesis
SZ-U003D03
CAS No:NA
Mol.F.: C23H33D5O4
Mol.Wt.: 383.6
Inv. Status: Under Synthesis

Glycoursodeoxycholic Acid-D4

Picture of Glycoursodeoxycholic Acid-D4
CAT No: SZ-U003D04
CAS No: 2044276-17-5
Mol.F. : C26H39D4NO5
Mol.Wt. : 453.7
Inv. Status: Custom Synthesis
SZ-U003D04
CAS No:2044276-17-5
Mol.F.: C26H39D4NO5
Mol.Wt.: 453.7
Inv. Status: Custom Synthesis

Tauroursodeoxycholic Acid-d4

Picture of Tauroursodeoxycholic Acid-d4
CAT No: SZ-U003D05
CAS No: NA
Mol.F. : C26H41D4NO6S
Mol.Wt. : 503.7
Inv. Status: Custom Synthesis
SZ-U003D05
CAS No:NA
Mol.F.: C26H41D4NO6S
Mol.Wt.: 503.7
Inv. Status: Custom Synthesis

Glycoursodeoxycholic Acid-d5

Picture of Glycoursodeoxycholic Acid-d5
CAT No: SZ-U003D06
CAS No: NA
Mol.F. : C26H38D5NO5
Mol.Wt. : 454.7
Inv. Status: Custom Synthesis
SZ-U003D06
CAS No:NA
Mol.F.: C26H38D5NO5
Mol.Wt.: 454.7
Inv. Status: Custom Synthesis