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Pharmaceutical analytical standards

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

APIs from A to Z →

Results 48,261-48,270 of 59,523

Ondansetron EP Impurity C

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-O023-008
CAS
27387-31-1
Formula
C13H13NO
Family
Ondansetron
Synonyms
9-Methyl-1,2,3,9-tetrahydro-4H-carbazol-4-one, 9-methyl-2,3-dihydro-1H-carbazol-4-one

Ondansetron EP Impurity D

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-O023-009
CAS
99614-64-9
Formula
C14H13NO
Family
Ondansetron
Synonyms
1,2,3,9-Tetrahydro-9-methyl-3-methylene-4H-carbazol-4-one, 9-methyl-3-methylidene-1,2-dihydrocarbazol-4-one

Ondansetron EP Impurity F

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-O023-010
CAS
693-98-1
Formula
C4H6N2
Family
Ondansetron
Synonyms
2-Methylimidazole, 2-methyl-1H-imidazole

Ondansetron EP Impurity G

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-O023-011
CAS
99614-03-6
Formula
C17H17N3O
Family
Ondansetron
Synonyms
c-Desmethylondansetron, 3-(imidazol-1-ylmethyl)-9-methyl-2,3-dihydro-1H-carbazol-4-one

Ondansetron EP Impurity H

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-O023-012
CAS
99614-14-9
Formula
C17H17N3O
Family
Ondansetron
Synonyms
3-[(2-Methylimidazol-1-yl)methyl]-1,2,3,9-tetrahydrocarbazol-4-one, N-Demethyl Ondansetron

Ondansetron Impurity 1

ImpurityLevels of characterisation
Cat. No.
P-O023-019
CAS
1216890-42-4
Formula
C25H22N2O2
Family
Ondansetron
Synonyms
6,6'-Methylenebis(1,2,3,9-tetrahydro-4H-carbazol-4-one)

Ondansetron Impurity 2

ImpurityLevels of characterisation
Cat. No.
P-O023-022
CAS
1432682-04-6
Formula
C13H13NO
Family
Ondansetron
Synonyms
6-Methyl-2,3,4,9-tetrahydro-1H-carbazol-3-one, 6-methyl-1,2,4,9-tetrahydrocarbazol-3-one

Ondansetron Impurity 3

ImpurityLevels of characterisation
Cat. No.
P-O023-028
CAS
1365727-09-8
Formula
C29H26N2O2
Family
Ondansetron
Synonyms
9-Methyl-3-methylidene-6-[(9-methyl-6-methylidene-5-oxo-7,8-dihydrocarbazol-3-yl)methyl]-1,2-dihydrocarbazol-4-one

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