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Pharmaceutical analytical standards

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

APIs from A to Z →

Results 55,641-55,650 of 59,523

Pentadecanoic Acid

ImpurityLevels of characterisation
Cat. No.
P-U032-005
CAS
1002-84-2
Formula
C15H30O2
Synonyms
Pentadecylic acid, n-Pentadecanoic acid

Phentermine Phenethylamine

ImpurityLevels of characterisation
Cat. No.
P-P088-005
CAS
5531-33-9
Formula
C12H17NO
Family
Phentermine
Synonyms
N-(2-methyl-1-phenylpropan-2-yl)acetamide, N-(1,1-Dimethyl-2-phenylethyl)acetamide

Phentermine Related Compound A

ImpurityLevels of characterisation
Cat. No.
P-P088-006
CAS
52117-13-2
Formula
C11H15NO
Family
Phentermine
Synonyms
N-(1,1-Dimethyl-2-phenylethyl)formamide, N-(2-methyl-1-phenylpropan-2-yl)formamide

Phentermine-d6

Isotopically labelledLevels of characterisation
Cat. No.
P-P088-003
CAS
1261734-85-3
Formula
C10H9D6N
Family
Phentermine

Pibrentasvir Impurity 1

ImpurityLevels of characterisation
Cat. No.
P-P105-004
CAS
1332356-31-6
Formula
C17H17F3N2
Family
Pibrentasvir
Synonyms
3,5-Difluoro-4-(4-(4-fluorophenyl)piperidin-1-yl)aniline

Pibrentasvir Impurity 2

ImpurityLevels of characterisation
Cat. No.
P-P105-005
CAS
1332357-14-8
Formula
C43H43F5N8
Family
Pibrentasvir
Synonyms
6-[(2R,5R)-1-[3,5-Difluoro-4-[4-(4-fluorophenyl)piperidin-1-yl]phenyl]-5-[6-fluoro-2-[(2S)-pyrrolidin-2-yl]-3H-benzimidazol-5-yl]pyrrolidin-2-yl]-5-fluoro-2-[(2S)-pyrrolidin-2-yl]-1H-benzimidazole

Pibrentasvir Impurity 3

ImpurityLevels of characterisation
Cat. No.
P-P105-006
CAS
1890114-11-0
Formula
C53H59F5N8O4
Family
Pibrentasvir
Synonyms
tert-Butyl (2S)-2-[6-[(2R,5R)-1-[3,5-difluoro-4-[4-(4-fluorophenyl)piperidin-1-yl]phenyl]-5-[6-fluoro-2-[(2S)-1-[(2-methylpropan-2-yl)oxycarbonyl]pyrrolidin-2-yl]-3H-benzimidazol-5-yl]pyrrolidin-2-yl]-5-fluoro-1H-benzimidazol-2-yl]pyrrolidine-1-carboxylate

Pibrentasvir Impurity 4

ImpurityLevels of characterisation
Cat. No.
P-P105-007
CAS
1292836-20-4
Formula
C16H12Cl2F2N2O6
Family
Pibrentasvir
Synonyms
(1S,4S)-1,4-Bis(4-chloro-2-fluoro-5-nitrophenyl)butane-1,4-diol

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