Impurity Standards

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Ofloxacin R-Isomer

Product Code:
DH/OFX/1007
Molecular Formula:
C18H20FN3O4
CAS Number:
100986-86-5
Molecular Weight:
361.37
Synonyms: Ofloxacin R-Isomer ; (+)-(R)-9-Fluoro-2,3-dihydro-3-methyl-10-(4-methyl-1-piperazinyl)-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic acid ; (R)-(+)-Ofloxacin ; D-Ofloxacin ; Levofloxacin R-Isomer


Olanzapine Impurity N-Oxide

Product Code:
DH/OZP/1005
Molecular Formula:
C17H20N4OS
CAS Number:
174794-02-6
Molecular Weight:
328.43
Synonyms: 2-Methyl-4-(4-methyl-4-oxide-1-piperazenyl)-10H thieno[2,3-b][1,5] benzodiazepine


Olanzapine Impurity C

Product Code:
DH/OZP/1003
Molecular Formula:
C18H22Cl2N4S
CAS Number:
719300-59-1
Molecular Weight:
397.37
Synonyms: 1-Chloro-1-methyl-4-(2-methyl-10H-thieno[2,3-b][1,5]]benzodiazepine-4-yl-piperazine-ium chloride


Olanzapine Impurity B

Product Code:
DH/OZP/1002
Molecular Formula:
C12H10N2OS
CAS Number:
221176-49-4
Molecular Weight:
230.29
Synonyms: 2-Methyl-5,10-dihydro-4H-thieno[2,3-b][1,5] benzodiazepine-4-one


Olanzapine Impurity N-Desmethyl

Product Code:
DH/OZP/1006
Molecular Formula:
C16H18N4S
CAS Number:
161696-76-0
Molecular Weight:
298.41
Synonyms: 2-Methyl-4-piperazin-1-yl-10H-thieno[2,3-b][1,5] benzodiazepine


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