Impurity Standards

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Dexamethasone EP Impurity C

Product Code:
DH /DXN/1003
Molecular Formula:
C22H31FO5
CAS Number:
426-17-5
Molecular Weight:
394.48
Synonyms: 9-Fluoro-11β,17,21-trihydroxy-16α-methylpregn-4-ene-3,20-dione


Dexamethasone EP Impurity D

Product Code:
DH /DXN/1004
Molecular Formula:
C22H28O5
CAS Number:
24916-90-3
Molecular Weight:
372.45
Synonyms: 9β,11β-Epoxy-17,21-dihydroxy-16α-methylpregna-1,4-diene-3,20-dione


Dexamethasone EP Impurity E

Product Code:
DH /DXN/1005
Molecular Formula:
C22H28O4
CAS Number:
NA
Molecular Weight:
356.46
Synonyms: 17,21-Dihydroxy-16α-methylpregna-1,4,9(11)-triene-3,20-dione


Dexamethasone EP Impurity F

Product Code:
DH /DXN/1006
Molecular Formula:
C22H29FO4
CAS Number:
382-67-2
Molecular Weight:
376.46
Synonyms: 9-Fluoro-11β,21-dihydroxy-16α-methylpregna-1,4-diene-3,20-dione


Dexamethasone EP Impurity G

Product Code:
DH /DXN/1007
Molecular Formula:
C24H31FO6
CAS Number:
1177-87-3
Molecular Weight:
434.50
Synonyms: 9-Fluoro-11β,17-dihydroxy-16α-methyl-3,20-dioxopregna-1,4-dien-21-yl acetate


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