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Pharmaceutical analytical standards

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

APIs from A to Z →

Results 32,271-32,280 of 36,550

Clemastine Impurity 1

ImpurityLevels of characterisation
Cat. No.
P-C186-008
CAS
20763-27-3
Formula
C7H14N·Cl
Family
Clemastine
Synonyms
1-Methyl-1-azabicyclo[3.2.0]heptan-1-ium chloride, 1-methyl-1-azoniabicyclo[3.2.0]heptane chloride

Clemastine Impurity 2 (R,S-isomer)

ImpurityLevels of characterisation
Cat. No.
P-C186-009
CAS
61826-30-0
Formula
C21H26ClNO·C4H4O4
Family
Clemastine
Synonyms
(2R)-2-[2-[(1S)-1-(4-Chlorophenyl)-1-phenylethoxy]ethyl]-1-methylpyrrolidine fumarate

Clemastine Impurity 3 (S,S-isomer)

ImpurityLevels of characterisation
Cat. No.
P-C186-010
CAS
61826-29-7
Formula
C21H26ClNO·C4H4O4
Family
Clemastine
Synonyms
(2S)-2-[2-[(1S)-1-(4-Chlorophenyl)-1-phenylethoxy]ethyl]-1-methylpyrrolidine fumarate

Clemastine Impurity 4 (S,R-isomer)

ImpurityLevels of characterisation
Cat. No.
P-C186-011
CAS
61826-32-2
Formula
C21H26ClNO·C4H4O4
Family
Clemastine
Synonyms
(2S)-2-[2-[(1R)-1-(4-Chlorophenyl)-1-phenylethoxy]ethyl]-1-methylpyrrolidine fumarate

Clostomicin A

ImpurityLevels of characterisation
Cat. No.
P-F043-005
CAS
106008-69-9
Formula
C52H74Cl2O18
Family
Fidaxomicin
Synonyms
Fidaxomicin Impurity 4, Clostomycin A

Dacomitinib Impurity 1

ImpurityLevels of characterisation
Cat. No.
P-D005-006
CAS
162012-67-1
Formula
C14H7ClF2N4O2
Family
Dacomitinib
Synonyms
4-(3-Chloro-4-fluorophenylamino)-7-fluoro-6-nitroquinazoline, N-(3-chloro-4-fluorophenyl)-7-fluoro-6-nitroquinazolin-4-amine

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