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Pharmaceutical analytical standards

APIs, pharmacopoeial impurities, metabolites, nitrosamines and labelled standards.

APIs from A to Z →

Results 52,901-52,910 of 59,523

Marbofloxacin EP Impurity D

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-M009-005
CAS
117380-92-4
Formula
C16H19FN4O4
Family
Marbofloxacin
Synonyms
Marbofloxacin Impurity D, Desmethylene seco-Benzoxadiazine Marbofloxacin

Marbofloxacin EP Impurity E

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-M009-011
CAS
2249835-04-7
Formula
C18H23FN4O4
Family
Marbofloxacin
Synonyms
N,O-Desmethylene O1-Ethyl Marbofloxacin, Marbofloxacin Impurity E

Maxacalcitol Impurity 1

ImpurityLevels of characterisation
Cat. No.
P-M014-004
CAS
215929-37-6
Formula
C33H51O3PSi2
Family
Maxacalcitol
Synonyms
tert-Butyl-[(1S,3S,5Z)-3-[tert-butyl(dimethyl)silyl]oxy-5-(2-diphenylphosphorylethylidene)-4-methylidenecyclohexyl]oxy-dimethylsilane

Maxacalcitol Impurity 2

ImpurityLevels of characterisation
Cat. No.
P-M014-005
CAS
142785-55-5
Formula
C26H42O4
Family
Maxacalcitol
Synonyms
(1R,3S)-5-[(E)-2-[(1S,3aR,7aS)-1-[(1S)-1-(3-Hydroxy-3-methylbutoxy)ethyl]-7a-methyl-1,2,3,3a,6,7-hexahydroinden-4-yl]ethenyl]-4-methylcyclohex-4-ene-1,3-diol

Maxacalcitol Impurity 3

ImpurityLevels of characterisation
Cat. No.
P-M014-006
CAS
192573-33-4
Formula
C20H38O3Si
Family
Maxacalcitol
Synonyms
(1S,3aR,7aR)-7a-Methyl-1-[(1S)-1-(3-methyl-3-trimethylsilyloxybutoxy)ethyl]-2,3,3a,5,6,7-hexahydro-1H-inden-4-one, Martha calciferol CD ring

Maxacalcitol Impurity 5

ImpurityLevels of characterisation
Cat. No.
P-M014-008
CAS
496046-06-1
Formula
C33H51O3PSi2
Family
Maxacalcitol
Synonyms
tert-Butyl-[(1R,3R,5Z)-3-[tert-butyl(dimethyl)silyl]oxy-5-(2-diphenylphosphorylethylidene)-4-methylidenecyclohexyl]oxy-dimethylsilane

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