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Pharmaceutical analytical standards

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

APIs from A to Z →

Results 3,461-3,470 of 59,523

Levothyroxine Impurity 11

ImpurityLevels of characterisation
Cat. No.
P-L060-043
Formula
C15H10I3NO5
Family
Levothyroxine
Synonyms
(2S)-3-[4-(4-Hydroxy-3-iodophenoxy)-3,5-diiodophenyl]-2-nitrosopropanoic acid

Levothyroxine Impurity 12

ImpurityLevels of characterisation
Cat. No.
P-L060-044
Formula
C15H11I4NO5
Family
Levothyroxine
Synonyms
(2S)-2-(Hydroxyamino)-3-[4-(4-hydroxy-3,5-diiodophenoxy)-3,5-diiodophenyl]propanoic acid

Levothyroxine Impurity 15

ImpurityLevels of characterisation
Cat. No.
P-L060-047
Formula
C21H14I5NO5
Family
Levothyroxine
Synonyms
(2S)-2-Amino-3-[4-[4-(4-hydroxy-3,5-diiodophenoxy)-3-iodophenoxy]-3,5-diiodophenyl]propanoic acid

Levothyroxine Impurity 17

ImpurityLevels of characterisation
Cat. No.
P-L060-049
Formula
C15H12I3NO5
Family
Levothyroxine
Synonyms
2-Amino-3-hydroxy-3-[4-(4-hydroxy-3,5-diiodophenoxy)-3-iodophenyl]propanoic acid

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