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Pharmaceutical analytical standards

Active ingredients, pharmacopoeial impurities, metabolites, nitrosamines and labelled standards.

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Results 261-270 of 36,550

Rosuvastatin Impurity 89

ImpurityLevels of characterisation
Cat. No.
P-R088-176
Formula
C13H22O6
Family
Rosuvastatin
Synonyms
(4S,6R)-2,2-Dimethyl-6-[2-[(2-methylpropan-2-yl)oxy]-2-oxoethyl]-1,3-dioxane-4-carboxylic acid

Rosuvastatin Impurity 92

ImpurityLevels of characterisation
Cat. No.
P-R088-179
Formula
C31H39O4PSi
Family
Rosuvastatin
Synonyms
Methyl (3S)-3-[tert-butyl(dimethyl)silyl]oxy-5-oxo-6-(triphenyl-lambda5-phosphanylidene)hexanoate

Rosuvastatin Impurity 93 Chloride

ImpurityLevels of characterisation
Cat. No.
P-R088-180
Formula
C31H40O4PSi·Cl
Family
Rosuvastatin
Synonyms
[4-[tert-Butyl(dimethyl)silyl]oxy-6-methoxy-2,6-dioxohexyl]-triphenylphosphanium chloride

Rosuvastatin Impurity 94 Chloride

ImpurityLevels of characterisation
Cat. No.
P-R088-181
Formula
C31H40O4PSi·Cl
Family
Rosuvastatin
Synonyms
[(4S)-4-[tert-Butyl(dimethyl)silyl]oxy-6-methoxy-2,6-dioxohexyl]-triphenylphosphanium chloride

Rosuvastatin Impurity 95

ImpurityLevels of characterisation
Cat. No.
P-R088-182
Formula
C15H26O6
Family
Rosuvastatin
Synonyms
tert-Butyl 2-[(4R,6R)-6-(acetyloxymethyl)-2,2-dimethyl-1,3-dioxan-4-yl]acetate

Rosuvastatin Impurity 97

ImpurityLevels of characterisation
Cat. No.
P-R088-184
Formula
C20H28FN3O3S
Family
Rosuvastatin
Synonyms
N-[4-(4-Fluorophenyl)-5-[(2-methylpropan-2-yl)oxymethyl]-6-propan-2-ylpyrimidin-2-yl]-N-methylmethanesulfonamide

Rosuvastatin Impurity 98

ImpurityLevels of characterisation
Cat. No.
P-R088-185
Formula
C22H24FN3O5S
Family
Rosuvastatin
Synonyms
(3E,6E)-7-[4-(4-Fluorophenyl)-2-[methyl(methylsulfonyl)amino]-6-propan-2-ylpyrimidin-5-yl]-5-oxohepta-3,6-dienoic acid

Rosuvastatin Impurity 99

ImpurityLevels of characterisation
Cat. No.
P-R088-186
Formula
C20H16FNO2
Family
Rosuvastatin
Synonyms
Methyl 2-cyclopropyl-4-(2-fluorophenyl)quinoline-3-carboxylate

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