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    Methotrexate EP Impurity K (Folinic Acid Impurity A)

    Methotrexate EP Impurity K (Folinic Acid Impurity A)

    Synonym

    (S)-2-(4-aminobenzamido)pentanedioicacid

    Molecular Formula

    C12H14N2O5

    Molecular Weight

    266.25

    Catalogue Number

    AR-M01609

    Parent Drug

    METHOTREXATE

    CAS Number

    4271-30-1

    Common Package:10,25,50,100 mg

    Collections: METHOTREXATE

    Category: 4271-30-1 AR-M01609 C12H14N2O5 METHOTREXATE

    RELATED PRODUCTS
    Methotrexate EP Impurity J

    Synonym

    (S)-dimethyl2-(4-(((2,4-diaminopteridin-6-yl)methyl)(methyl)amino)benzamido)pentanedioate

    Molecular Formula

    C22H26N8O5

    Molecular Weight

    482.50

    Catalogue Number

    AR-M01612

    Parent Drug

    METHOTREXATE

    CAS Number

    34378-65-9
    Methotrexate N, N-Dimethylamide

    Synonym

    (S)-2-(4-(((2,4-diaminopteridin-6-yl)methyl)(methyl)amino)benzamido)-5-(dimethylamino)-5-oxopentanoicacid

    Molecular Formula

    C22H27N9O4

    Molecular Weight

    481.52

    Catalogue Number

    AR-M01611

    Parent Drug

    METHOTREXATE
    Methotrexate Amination Derivative

    Synonym

    (S)-5-amino-2-(4-(((2,4-diaminopteridin-6-yl)methyl)(methyl)amino)benzamido)-5-oxopentanoicacid

    Molecular Formula

    C21H27N9O3

    Molecular Weight

    453.51

    Catalogue Number

    AR-M01610

    Parent Drug

    METHOTREXATE
    Methotrexate Impurity G

    Synonym

    (S)-2-(4-(4-(((2,4-diaminopteridin-6-yl)methyl)(methyl)amino)-N-methylbenzamido)benzamido)pentanedioicacid

    Molecular Formula

    C28H29N9O6

    Molecular Weight

    587.60

    Catalogue Number

    AR-M01608

    Parent Drug

    METHOTREXATE

    CAS Number

    N/A
    (R)-Methotrexate

    Synonym

    (R)-2-(4-(((2,4-diaminopteridin-6-yl)methyl)(methyl)amino)benzamido)pentanedioicacid

    Molecular Formula

    C20H22N8O5

    Molecular Weight

    454.45

    Catalogue Number

    AR-M01607

    Parent Drug

    METHOTREXATE

    CAS Number

    51865-79-3
    7-Hydroxy Methotrexate-d3 Sodium Salt

    Synonym

    (S)-2-(4-(((2,4-diamino-7-hydroxypteridin-6-yl)methyl)(methyl)amino)benzamido)pentanedioicacid-D3,trisodiumsalt

    Molecular Formula

    C20H16N8O6D3. 3 Na

    Molecular Weight

    470.44 3 22.99

    Catalogue Number

    AR-M01606

    Parent Drug

    METHOTREXATE
    7-Hydroxy Methotrexate Trisodium Salt

    Synonym

    (S)-2-(4-(((2,4-diamino-7-hydroxypteridin-6-yl)methyl)(methyl)amino)benzamido)pentanedioicacid,trisodiumsalt

    Molecular Formula

    C20H19N8O6. 3 Na

    Molecular Weight

    467.42 3 22.99

    Catalogue Number

    AR-M01605

    Parent Drug

    METHOTREXATE

    CAS Number

    5939-37-7 (free acid and keto form)
    Methotrexate EP Impurity L (N-(4-Methylaminobenzoyl)-L-Glutamic Acid)

    Synonym

    (S)-2-(4-(methylamino)benzamido)pentanedioicacid

    Molecular Formula

    C13H16N2O5

    Molecular Weight

    280.28

    Catalogue Number

    AR-M01604

    Parent Drug

    METHOTREXATE

    CAS Number

    52980-68-4
    Methotrexate EP Impurity I (Methotrexate-1-Monomethyl Ester)

    Synonym

    (S)-4-(4-(((2,4-diaminopteridin-6-yl)methyl)(methyl)amino)benzamido)-5-methoxy-5-oxopentanoicacid

    Molecular Formula

    C21H24N8O5

    Molecular Weight

    468.48

    Catalogue Number

    AR-M01603

    Parent Drug

    METHOTREXATE

    CAS Number

    66147-29-3
    Methotrexate EP Impurity H (Methotrexate-5-Monomethyl Ester)

    Synonym

    (S)-2-(4-(((2,4-diaminopteridin-6-yl)methyl)(methyl)amino)benzamido)-5-methoxy-5-oxopentanoicacid

    Molecular Formula

    C21H24N8O5

    Molecular Weight

    468.48

    Catalogue Number

    AR-M01602

    Parent Drug

    METHOTREXATE

    CAS Number

    67022-39-3
    Methotrexate-d3

    Synonym

    (S)-2-(4-(((2,4-diaminopteridin-6-yl)methyl)(methyl)amino)benzamido)pentanedioicacid-D3

    Molecular Formula

    C20H19N8O5D3

    Molecular Weight

    457.47

    Catalogue Number

    AR-M01601

    Parent Drug

    METHOTREXATE

    CAS Number

    432545-63-6
    Methotrexate Impurity E

    Synonym

    4-(((2,4-diaminopteridin-6-yl)methyl)(methyl)amino)benzoicacid

    Molecular Formula

    C15H15N7O2

    Molecular Weight

    325.33

    Catalogue Number

    AR-M01600

    Parent Drug

    METHOTREXATE

    CAS Number

    19741-14-1
    Methotrexate EP Impurity D

    Synonym

    4-(((2-amino-4-oxo-1,4-dihydropteridin-6-yl)methyl)(methyl)amino)benzoicacid

    Molecular Formula

    C15H14N6O3

    Molecular Weight

    326.32

    Catalogue Number

    AR-M01599

    Parent Drug

    METHOTREXATE

    CAS Number

    5623-18-7
    Methotrexate Impurity C

    Synonym

    (S)-2-(4-(((2-amino-4-oxo-1,4-dihydropteridin-6-yl)methyl)(methyl)amino)benzamido)pentanedioicacid

    Molecular Formula

    C20H21N7O6

    Molecular Weight

    455.43

    Catalogue Number

    AR-M01598

    Parent Drug

    METHOTREXATE

    CAS Number

    N/A
    Methotrexate Impurity B

    Synonym

    (S)-2-(4-(((2,4-diaminopteridin-6-yl)methyl)amino)benzamido)pentanedioicacid

    Molecular Formula

    C19H20N8O5

    Molecular Weight

    440.42

    Catalogue Number

    AR-M01597

    Parent Drug

    METHOTREXATE

    CAS Number

    54-62-6
    Methotrexate Impurity A

    Synonym

    (2,4-diaminopteridin-6-yl)methanol

    Molecular Formula

    C7H8N6O

    Molecular Weight

    192.18

    Catalogue Number

    AR-M01596

    Parent Drug

    METHOTREXATE

    CAS Number

    945-24-4
    Methotrexate

    Synonym

    (S)-2-(4-(((2,4-diaminopteridin-6-yl)methyl)(methyl)amino)benzamido)pentanedioicacid

    Molecular Formula

    C20H22N8O5

    Molecular Weight

    454.45

    Catalogue Number

    AR-M01595

    Parent Drug

    METHOTREXATE

    CAS Number

    59-05-2