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Pharmaceutical analytical standards

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

APIs from A to Z →

Results 24,261-24,270 of 35,292

Ramelteon Methyl Ester

ImpurityLevels of characterisation
Cat. No.
P-R010-042
CAS
1356395-13-5
Formula
C14H16O3
Family
Ramelteon
Synonyms
Ramelteon Impurity 34, Ramelteon Impurity 68

(1S,2R,7S)-Sitafloxacin

ImpurityLevels of characterisation
Cat. No.
P-S050-007
CAS
127254-11-9
Formula
C19H18ClF2N3O3
Family
Sitafloxacin
Synonyms
Sitafloxacin isomer I(SSR), Sitafloxacin SSR-Isomer

(1S,2S,7R)-Sitafloxacin

ImpurityLevels of characterisation
Cat. No.
P-S050-008
CAS
127199-06-8
Formula
C19H18ClF2N3O3
Family
Sitafloxacin
Synonyms
Sitafloxacinisomer cento(RSR), Sitafloxacin RSR-Isomer

Sitafloxacin Impurity 1

ImpurityLevels of characterisation
Cat. No.
P-S050-011
CAS
185225-86-9
Formula
C4H4FNO
Family
Sitafloxacin
Synonyms
cis-(1S,2R)-1-fluoro-2-isocyanatocyclopropane, Cyclopropane, 1-fluoro-2-isocyanato-, (1S-cis)-

Sitafloxacin Impurity 10

ImpurityLevels of characterisation
Cat. No.
P-S050-023
CAS
148693-51-0
Formula
C16H15ClFN3O3
Family
Sitafloxacin
Synonyms
7-[(7S)-7-Amino-5-azaspiro[2.4]heptan-5-yl]-8-chloro-6-fluoro-4-oxo-1H-quinoline-3-carboxylic acid

Sitafloxacin Impurity 13

ImpurityLevels of characterisation
Cat. No.
P-S050-027
CAS
127199-26-2
Formula
C13H7ClF3NO3
Family
Sitafloxacin
Synonyms
8-Chloro-6,7-difluoro-1-[(1S,2R)-2-fluorocyclopropyl]-4-oxoquinoline-3-carboxylic acid, Sitafloxacin Impurity Q

Sitafloxacin Impurity 14

ImpurityLevels of characterisation
Cat. No.
P-S050-028
CAS
127199-24-0
Formula
C15H11ClF3NO3
Family
Sitafloxacin
Synonyms
Ethyl 8-chloro-6,7-difluoro-1-[(1S,2R)-2-fluorocyclopropyl]-4-oxoquinoline-3-carboxylate, Sitafloxacin Impurity E

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