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    Azelastine EP Impurity A

    Azelastine EP Impurity A

    Synonym

    benzohydrazide

    Molecular Formula

    C7H8N2O

    Molecular Weight

    136.15

    Catalogue Number

    AR-A03140

    Parent Drug

    AZELASTINE

    CAS Number

    613-94-5

    Collections: AZELASTINE

    Category: 613-94-5, AR-A03140, AZELASTINE, C7H8N2O

    RELATED PRODUCTS
    4-(4-chlorobenzyl)-2-((1S,5S)-5-((methylamino)methyl)cyclohex-2-en-1-yl)phthalazin-1(2H)-one hydrochloride

    Synonym

    4-(4-chlorobenzyl)-2-((1S,5S)-5-((methylamino)methyl)cyclohex-2-en-1-yl)phthalazin-1(2H)-one hydrochloride

    Molecular Formula

    C23H24ClN3O. HCl

    Molecular Weight

    393.92 36.46

    Catalogue Number

    AR-A03139

    Parent Drug

    AZELASTINE
    4-(4-chlorobenzyl)-2-((1R,5S)-5-((methylamino)methyl)cyclohex-2-en-1-yl)phthalazin-1(2H)-one hydrochloride

    Synonym

    4-(4-chlorobenzyl)-2-((1R,5S)-5-((methylamino)methyl)cyclohex-2-en-1-yl)phthalazin-1(2H)-one hydrochloride

    Molecular Formula

    C23H24ClN3O. HCl

    Molecular Weight

    393.92 36.46

    Catalogue Number

    AR-A03138

    Parent Drug

    AZELASTINE
    obenzyl)-2-(1-(methylamino)hex-5-en-3-yl)phthalazin-1(2H)-one hydrochloride

    Synonym

    obenzyl)-2-(1-(methylamino)hex-5-en-3-yl)phthalazin-1(2H)-one hydrochloride

    Molecular Formula

    C22H24ClN3O. HCl

    Molecular Weight

    381.91 36.46

    Catalogue Number

    AR-A03137

    Parent Drug

    AZELASTINE
    Azelastine EP Impurity C

    Synonym

    2-(2-(4-chlorophenyl)acetyl)benzoic acid

    Molecular Formula

    C15H11ClO3

    Molecular Weight

    274.70

    Catalogue Number

    AR-A03136

    Parent Drug

    AZELASTINE

    CAS Number

    53242-76-5
    (S)-Azelastine N-Oxide

    Synonym

    (4S)-4-(4-(4-chlorobenzyl)-1-oxophthalazin-2(1H)-yl)-1-methylazepane 1-oxide

    Molecular Formula

    C22H24ClN3O2

    Molecular Weight

    397.91

    Catalogue Number

    AR-A03135

    Parent Drug

    AZELASTINE
    (R)-Azelastine N-Oxide (Mixture of Diastereomers)

    Synonym

    (4R)-4-(4-(4-chlorobenzyl)-1-oxophthalazin-2(1H)-yl)-1-methylazepane 1-oxide

    Molecular Formula

    C22H24ClN3O2

    Molecular Weight

    397.90

    Catalogue Number

    AR-A03134

    Parent Drug

    AZELASTINE

    CAS Number

    1346617-18-2
    Azelastine N-Oxide (Mixture of Diastereomers)

    Synonym

    4-(4-(4-chlorobenzyl)-1-oxophthalazin-2(1H)-yl)-1-methylazepane 1-oxide

    Molecular Formula

    C22H24ClN3O2

    Molecular Weight

    397.90

    Catalogue Number

    AR-A03133

    Parent Drug

    AZELASTINE

    CAS Number

    640279-88-5
    Azelastine Impuirty 4 HCl

    Synonym

    4-(3-chlorobenzyl)-2-(1-methylazepan-4-yl)phthalazin-1(2H)-one hydrochloride

    Molecular Formula

    C22H24ClN3O. HCl

    Molecular Weight

    381.91 36.46

    Catalogue Number

    AR-A03132

    Parent Drug

    AZELASTINE

    CAS Number

    37933-01-0 (free base)
    Azelastine 5-Member-Cyclic-Isomer HCl

    Synonym

    4-(4-chlorobenzyl)-2-(2-(1-methylpyrrolidin-2-yl)ethyl)phthalazin-1(2H)-one

    Molecular Formula

    C22H24ClN3O. HCl

    Molecular Weight

    381.91 36.46

    Catalogue Number

    AR-A03131

    Parent Drug

    AZELASTINE

    CAS Number

    117078-70-3
    N-Desmethyl Azelastine-d4

    Synonym

    2-(azepan-4-yl)-4-(4-chlorobenzyl)phthalazin-1(2H)-one-D4

    Molecular Formula

    C21H18ClN3OD4

    Molecular Weight

    371.91

    Catalogue Number

    AR-A03130

    Parent Drug

    AZELASTINE

    CAS Number

    47491-38-3 (non-labelled)
    Azelastine EP Impurity E (Z-Isomer)

    Synonym

    (Z)-3-(4-chlorobenzylidene)isobenzofuran-1(3H)-one

    Molecular Formula

    C15H9ClO2

    Molecular Weight

    256.69

    Catalogue Number

    AR-A03129

    Parent Drug

    AZELASTINE

    CAS Number

    105279-16-1
    Azelastine EP Impurity D

    Synonym

    4-[(4-Chlorophenyl)methyl]-1(2H)-phthalazinone; 4-(4-chlorobenzyl)phthalazin-1(2H)-one

    Molecular Formula

    C15H11ClN2O

    Molecular Weight

    270.72

    Catalogue Number

    AR-A03128

    Parent Drug

    AZELASTINE

    CAS Number

    53242-88-9
    Azelastine EP Impurity B DiHCl

    Synonym

    N'-(1-methylazepan-4-yl)benzohydrazide dihydrochloride

    Molecular Formula

    C14H21N3O. 2 HCl

    Molecular Weight

    247.34 2 36.46

    Catalogue Number

    AR-A03127

    Parent Drug

    AZELASTINE

    CAS Number

    110406-94-5 (free base)
    N-Desmethyl Azelastine

    Synonym

    2-(azepan-4-yl)-4-(4-chlorobenzyl)phthalazin-1(2H)-one

    Molecular Formula

    C21H22ClN3O

    Molecular Weight

    367.88

    Catalogue Number

    AR-A03126

    Parent Drug

    AZELASTINE

    CAS Number

    47491-38-3
    Azelastine-13C-d3

    Synonym

    4-(4-chlorobenzyl)-2-(1-methylazepan-4-yl)phthalazin-1(2H)-one-13C-d3

    Molecular Formula

    Azelastine-13C-d3

    Molecular Weight

    385.91

    Catalogue Number

    AR-A03125

    Parent Drug

    AZELASTINE
    Azelastine HCl

    Synonym

    4-(4-chlorobenzyl)-2-(1-methylazepan-4-yl)phthalazin-1(2H)-one hydrochloride

    Molecular Formula

    C22H25Cl2N3O

    Molecular Weight

    418.36

    Catalogue Number

    AR-A03124

    Parent Drug

    AZELASTINE

    CAS Number

    79307-93-0
    (S)-Azelastine HCl

    Synonym

    (S)-4-(4-chlorobenzyl)-2-(1-methylazepan-4-yl)phthalazin-1(2H)-one hydrochloride

    Molecular Formula

    C22H25Cl2N3O

    Molecular Weight

    418.36

    Catalogue Number

    AR-A03123

    Parent Drug

    AZELASTINE

    CAS Number

    153408-27-6
    (R)-Azelastine HCl

    Synonym

    (R)-4-(4-chlorobenzyl)-2-(1-methylazepan-4-yl)phthalazin-1(2H)-one hydrochloride

    Molecular Formula

    C22H25Cl2N3O

    Molecular Weight

    418.36

    Catalogue Number

    AR-A03122

    Parent Drug

    AZELASTINE

    CAS Number

    153408-28-7
    Azelastine-d4 HCl

    Synonym

    4-(4-chlorobenzyl)-2-(1-methylazepan-4-yl)phthalazin-1(2H)-one hydrochloride

    Molecular Formula

    C22H20D4ClN3O. HCl

    Molecular Weight

    385.93 36.46

    Catalogue Number

    AR-A03121

    Parent Drug

    AZELASTINE

    CAS Number

    1228258-95-4 (free base)