Impurity Standards

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Ursodeoxycholic Acid EP Impurity B

Product Code:
DH/UDC/1002
Molecular Formula:
C24H40O5
CAS Number:
81-25-4
Molecular Weight:
408.57
Synonyms: 3alpha,7alpha,12alpha-Trihydroxy-5beta-cholan-24-oic acid


Ursodeoxycholic Acid EP Impurity C

Product Code:
DH/UDC/1003
Molecular Formula:
C24H40O3
CAS Number:
434-13-9
Molecular Weight:
376.57
Synonyms: 3alpha-Hydroxy-5beta-cholan-24-oic acid


Ursodeoxycholic Acid EP Impurity D

Product Code:
DH/UDC/1004
Molecular Formula:
C24H40O5
CAS Number:
2955-27-3
Molecular Weight:
408.57
Synonyms: 3alpha,7beta,12alpha-trihydroxy-5beta-cholan-24-oic acid


Ursodeoxycholic Acid EP Impurity E

Product Code:
DH/UDC/1005
Molecular Formula:
C24H40O4
CAS Number:
83-44-3
Molecular Weight:
392.57
Synonyms: 3alpha,12alpha-Dihydroxy-5beta-cholan-24-oic acid.


Ursodeoxycholic Acid EP Impurity F

Product Code:
DH/UDC/1006
Molecular Formula:
C24H38O4
CAS Number:
4651-67-6
Molecular Weight:
390.56
Synonyms: 3alpha-Hydroxy-7-oxo-5beta-cholan-24-oic acid ;


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