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Pharmaceutical analytical standards

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

APIs from A to Z →

Results 12,031-12,040 of 35,292

Isosulfan Blue Impurity 6

ImpurityLevels of characterisation
Cat. No.
P-I097-010
Formula
C27H31ClN2O3S
Family
Isosulfan Blue
Synonyms
4-Chloro-3-[[4-(diethylamino)phenyl]-(4-diethylazaniumylidenecyclohexa-2,5-dien-1-ylidene)methyl]benzenesulfonate

Ledipasvir Impurity 1

ImpurityLevels of characterisation
Cat. No.
P-L029-005
Formula
C24H34BN3O4
Family
Ledipasvir
Synonyms
tert-Butyl (1R,3R,4S)-3-[6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-benzimidazol-2-yl]-2-azabicyclo[2.2.1]heptane-2-carboxylate

Ledipasvir Impurity 2

ImpurityLevels of characterisation
Cat. No.
P-L029-006
Formula
C24H34BN3O4
Family
Ledipasvir
Synonyms
tert-Butyl (1S,3S,4R)-3-[6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-benzimidazol-2-yl]-2-azabicyclo[2.2.1]heptane-2-carboxylate

Ledipasvir Impurity 3

ImpurityLevels of characterisation
Cat. No.
P-L029-007
Formula
C24H34BN3O4
Family
Ledipasvir
Synonyms
tert-Butyl (1S,3R,4R)-3-[6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-benzimidazol-2-yl]-2-azabicyclo[2.2.1]heptane-2-carboxylate

Ledipasvir Impurity 5

ImpurityLevels of characterisation
Cat. No.
P-L029-009
Formula
C18H24BN3O4
Family
Ledipasvir
Synonyms
[2-[(1R,3S,4S)-2-[(2-Methylpropan-2-yl)oxycarbonyl]-2-azabicyclo[2.2.1]heptan-3-yl]-3H-benzimidazol-5-yl]boronic acid

Ledipasvir Impurity 8

ImpurityLevels of characterisation
Cat. No.
P-L029-012
Formula
C49H54F2N8O6
Family
Ledipasvir
Synonyms
Methyl N-[(2R)-1-[(6S)-6-[5-[9,9-difluoro-7-[2-[(1R,3S,4S)-2-[(2R)-2-(methoxycarbonylamino)-3-methylbutanoyl]-2-azabicyclo[2.2.1]heptan-3-yl]-3H-benzimidazol-5-yl]fluoren-2-yl]-1H-imidazol-2-yl]-5-azaspiro[2.4]heptan-5-yl]-3-methyl-1-oxobutan-2-yl]carbamate

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