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Pharmaceutical analytical standards

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

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9,10-Dihydroxystearic Acid

ImpurityLevels of characterisation

Cat. No.: P-S362-008
CAS: 120-87-6
Formula: C₁₈H₃₆O₄
Synonyms: 9,10-dihydroxyoctadecanoic acid, NSC 60305

(E)-3-(3,4-Dimethoxyphenyl)acrylamide

ImpurityLevels of characterisation

Cat. No.: P-I103-003
CAS: 14773-40-1
Formula: C₁₁H₁₃NO₃
Family: Istradefylline
Synonyms: Cinnamamide, 3,4-dimethoxy-, beta-Carbamoyl-3,4-dimethoxystyrene

Diphenyl Chlorophosphate

ImpurityLevels of characterisation

Cat. No.: P-R096-007
CAS: 2524-64-3
Formula: C₁₂H₁₀ClO₃P
Family: Rufinamide
Synonyms: Rufinamide Impurity 12, Diphenyl phosphorochloridate

(2R,5R)-1,6-Diphenylhexane-2,5-diamine Dihydrochloride

ImpurityLevels of characterisation

Cat. No.: P-C233-003
CAS: 1247119-31-8
Formula: C₁₈H₂₄N₂·2HCl
Family: Cobicistat

Diphenylphosphoryl Azide

ImpurityLevels of characterisation

Cat. No.: P-R096-008
CAS: 26386-88-9
Formula: C₁₂H₁₀N₃O₃P
Family: Rufinamide
Synonyms: Rufinamide Impurity 11, Diphenyl azidophosphate

beta-Doxercalciferol

ImpurityLevels of characterisation

Cat. No.: P-D182-009
CAS: 127516-23-8
Formula: C₂₈H₄₄O₂
Family: Doxercalciferol
Synonyms: Impurity of Doxercalciferol, Calcipotriol Impurity 20

trans-Doxercalciferol

ImpurityLevels of characterisation

Cat. No.: P-D182-018
CAS: 74007-20-8
Formula: C₂₈H₄₄O₂
Family: Doxercalciferol

Doxercalciferol Impurity 2

ImpurityLevels of characterisation

Cat. No.: P-D182-012
CAS: 112670-78-7
Formula: C₃₄H₅₈O₂Si
Family: Doxercalciferol

Doxercalciferol Impurity 4

ImpurityLevels of characterisation

Cat. No.: P-D182-014
CAS: 111594-58-2
Formula: C₄₀H₇₂O₂Si₂
Family: Doxercalciferol
Synonyms: [(1S,3E,5R)-3-[(2E)-2-[(1R,3aS,7aR)-1-[(E,2R,5R)-5,6-Dimethylhept-3-en-2-yl]-7a-methyl-2,3,3a,5,6,7-hexahydro-1H-inden-4-ylidene]ethylidene]-5-[tert-butyl(dimethyl)silyl]oxy-2-methylidenecyclohexyl]oxy-tert-butyl-dimethylsilane

Doxercalciferol Impurity 5

ImpurityLevels of characterisation

Cat. No.: P-D182-015
CAS: 115540-27-7
Formula: C₃₄H₅₈O₂Si
Family: Doxercalciferol

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