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Pharmaceutical analytical standards

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

APIs from A to Z →

Results 28,401-28,410 of 36,550

Levodopa Impurity 5

ImpurityLevels of characterisation
Cat. No.
P-L048-018
CAS
2259692-11-8
Formula
C12H13NO6
Family
Levodopa
Synonyms
(1R,3S)-6,7-Dihydroxy-1-methyl-3,4-dihydro-2H-isoquinoline-1,3-dicarboxylic acid

Levodopa Impurity 7 Hydrochloride

ImpurityLevels of characterisation
Cat. No.
P-L048-020
CAS
51085-71-3
Formula
C9H9NO4·HCl
Family
Levodopa
Synonyms
(2S)-5,6-Dihydroxy-2,3-dihydro-1H-indole-2-carboxylic acid hydrochloride

Levodopa Isopropyl Ester

ImpurityLevels of characterisation
Cat. No.
P-L048-023
CAS
110301-07-0
Formula
C12H17NO4
Family
Levodopa
Synonyms
propan-2-yl (2S)-2-amino-3-(3,4-dihydroxyphenyl)propanoate, L-DOPA Isopropyl Ester

Lobeline Impurity 1

ImpurityLevels of characterisation
Cat. No.
P-L079-005
CAS
1125824-42-1
Formula
C22H29NO2
Family
Lobeline
Synonyms
(1S)-2-[(2R,6S)-6-[(2S)-2-Hydroxy-2-phenylethyl]-1-methylpiperidin-2-yl]-1-phenylethanol

Lobeline Impurity 13

ImpurityLevels of characterisation
Cat. No.
P-L079-017
CAS
237059-22-2
Formula
C22H27NO2
Family
Lobeline
Synonyms
2-[(2S,6S)-6-[(2S)-2-Hydroxy-2-phenylethyl]-1-methylpiperidin-2-yl]-1-phenylethanone

Loteprednol Impurity 14

ImpurityLevels of characterisation
Cat. No.
P-L098-028
CAS
207670-55-1
Formula
C24H29ClO6
Family
Loteprednol
Synonyms
Chloromethyl (8S,10S,13S,14S,17R)-17-ethoxycarbonyloxy-10,13-dimethyl-3-oxo-7,8,12,14,15,16-hexahydro-6H-cyclopenta[a]phenanthrene-17-carboxylate

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