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    Metamizol EP Impurity C (free base)

    Metamizol EP Impurity C (free base)

    Synonym

    1,5-dimethyl-4-(methylamino)-2-phenyl-1H-pyrazol-3(2H)-one

    Molecular Formula

    C12H15N3O

    Molecular Weight

    217.27

    Catalogue Number

    AR-A12697

    Parent Drug

    Metamizole

    CAS Number

    519-98-2

    Common Package:10,25,50,100 mg

    Collections: Metamizole

    Category: 519-98-2 AR-A12697 C12H15N3O Metamizole

    RELATED PRODUCTS
    Metamizole EP Impurity B

    Synonym

    4-amino-1,5-dimethyl-2-phenyl-1H-pyrazol-3(2H)-one

    Molecular Formula

    C11H13N3O

    Molecular Weight

    203.25

    Catalogue Number

    AR-A12685

    Parent Drug

    Metamizole

    CAS Number

    83-07-8
    Metamizole EP Impurity D

    Synonym

    4-(dimethylamino)-1,5-dimethyl-2-phenyl-1H-pyrazol-3(2H)-one

    Molecular Formula

    C13H17N3O

    Molecular Weight

    231.3

    Catalogue Number

    AR-A12688

    Parent Drug

    Metamizole

    CAS Number

    58-15-1
    Metamizole EP Impurity A

    Synonym

    N-(1,5-dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)formamide

    Molecular Formula

    C12H13N3O2

    Molecular Weight

    231.26

    Catalogue Number

    AR-A12692

    Parent Drug

    Metamizole

    CAS Number

    1672-58-8
    Metamizole Impurity 2

    Synonym

    Metamizole Impurity (methyl(5-methyl-3-oxo-2-phenyl-1-(sulfomethyl)-2,3-dihydro-1H-pyrazol-4-yl)amino)methanesulfonic acid

    Molecular Formula

    C13H17N3O7S2

    Molecular Weight

    391.41

    Catalogue Number

    AR-M00987

    Parent Drug

    Metamizole
    Metamizole EP Impurity C (HCl salt)

    Synonym

    1,5-dimethyl-4-(methylamino)-2-phenyl-1H-pyrazol-3(2H)-one hydrochloride

    Molecular Formula

    C12H15N3O. HCl

    Molecular Weight

    217.27 36.46

    Catalogue Number

    AR-M00990

    Parent Drug

    Metamizole

    CAS Number

    856307-27-2 (freebase)
    Metamizole Sodium Monohydrate

    Synonym

    [(2,3-dihydro-1,5-dimethyl-3-oxo-2-phenyl-1H-pyrazol-4-yl)methylamino methanesulfonicacid, , sodium salt, monohydrate; sodium ((1,5-dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)(methyl)amino)methanesulfonate hydrate

    Molecular Formula

    C13H16N3O4S; Na; H2O

    Molecular Weight

    311.36; 22.98; 18.01

    Catalogue Number

    AR-M00992

    Parent Drug

    Metamizole

    CAS Number

    5907-38-0 (sodium salt); alt. cas#: 50567-35-6 (free base)
    Metamizole EP Impurity C

    Synonym

    1,5-dimethyl-4-(methylamino)-2-phenyl-1H-pyrazol-3(2H)-one hydrochloride

    Molecular Formula

    C12H15N3O. HCl

    Molecular Weight

    217.27 36.46

    Catalogue Number

    AR-M00994

    Parent Drug

    Metamizole

    CAS Number

    856307-27-2
    Metamizole EP Impurity A

    Synonym

    N-(1,5-dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)formamide

    Molecular Formula

    C12H13N3O2

    Molecular Weight

    231.25

    Catalogue Number

    AR-M00995

    Parent Drug

    Metamizole

    CAS Number

    1672-58-2
    Metamizole Sodium Impurity E

    Synonym

    sodium ((1,5-dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)amino)methanesulfonate

    Molecular Formula

    C12H14N3NaO4S

    Molecular Weight

    319.31

    Catalogue Number

    AR-M00998

    Parent Drug

    Metamizole

    CAS Number

    129-89-5