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    • N-Nitroso Methotrexate EP Impurity B Disodium salt

    N-Nitroso Methotrexate EP Impurity B Disodium salt

    • CF CAT No :
      CF-M003028
    • CAS No :
      NA
    • Mol.F. :
      C19H17N9O6 : 2(Na)
    • Mol.Wt. :
      467.4 : 2(23.0)
    • Inv. Status :
      Custom Synthesis
    • Product Overview

    Chemical Name:(4-(((2,4-Diaminopteridin-6-yl)methyl)(nitroso)amino)benzoyl)-L-glutamic acid disodium salt

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    Methotrexate
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    CF CAT No: CF-M003001

    CAS No: 59-05-2

    Mol.F. : C20H22N8O5

    Mol.Wt. : 454.4

    Inv. Status : Custom Synthesis

    Methotrexate EP Impurity A
    Image

    CF CAT No: CF-M003002

    CAS No: 945-24-4

    Mol.F. : C7H8N6O

    Mol.Wt. : 192.1

    Inv. Status : Custom Synthesis

    Methotrexate EP Impurity E
    Image

    CF CAT No: CF-M003003

    CAS No: 19741-14-1

    Mol.F. : C15H15N7O2

    Mol.Wt. : 325.3

    Inv. Status : Custom Synthesis

    Methotrexate EP Impurity H
    Image

    CF CAT No: CF-M003004

    CAS No: 67022-39-3

    Mol.F. : C21H24N8O5

    Mol.Wt. : 468.5

    Inv. Status : Custom Synthesis

    Methotrexate EP Impurity J
    Image

    CF CAT No: CF-M003006

    CAS No: 34378-65-9

    Mol.F. : C22H26N8O5

    Mol.Wt. : 482.5

    Inv. Status : Custom Synthesis

    Methotrexate EP Impurity I
    Image

    CF CAT No: CF-M003007

    CAS No: 66147-29-3

    Mol.F. : C21H24N8O5

    Mol.Wt. : 468.5

    Inv. Status : Custom Synthesis

    Methotrexate EP Impurity G
    Image

    CF CAT No: CF-M003013

    CAS No: 2519848-42-9

    Mol.F. : C28H29N9O6

    Mol.Wt. : 587.6

    Inv. Status : Custom Synthesis

    Methotrexate EP Impurity A (HCl salt)
    Image

    CF CAT No: CF-M003005

    CAS No: 73978-41-3

    Mol.F. : C7H8N6O : HCl

    Mol.Wt. : 192.2 : 36.5

    Inv. Status : Custom Synthesis

    Methotrexate EP Impurity B
    Image

    CF CAT No: CF-M003008

    CAS No: 54-62-6

    Mol.F. : C19H20N8O5

    Mol.Wt. : 440.4

    Inv. Status : Custom Synthesis

    Methotrexate Hydrate EP Impurity B
    Image

    CF CAT No: CF-M003009

    CAS No: 1217459-90-9

    Mol.F. : C19H20N8O5 : H2O

    Mol.Wt. : 440.4 : 18.0

    Inv. Status : Custom Synthesis

    Methotrexate EP Impurity C
    Image

    CF CAT No: CF-M003010

    CAS No: 2410-93-7

    Mol.F. : C20H21N7O6

    Mol.Wt. : 455.4

    Inv. Status : Custom Synthesis

    Methotrexate EP Impurity D
    Image

    CF CAT No: CF-M003011

    CAS No: 5623-18-7

    Mol.F. : C15H14N6O3

    Mol.Wt. : 326.3

    Inv. Status : Custom Synthesis

    Methotrexate EP Impurity F
    Image

    CF CAT No: CF-M003012

    CAS No: 51865-79-3

    Mol.F. : C20H22N8O5

    Mol.Wt. : 454.4

    Inv. Status : Custom Synthesis

    Methotrexate EP Impurity K
    Image

    CF CAT No: CF-M003014

    CAS No: 4271-30-1

    Mol.F. : C12H14N2O5

    Mol.Wt. : 266.3

    Inv. Status : Custom Synthesis

    Methotrexate EP Impurity L
    Image

    CF CAT No: CF-M003015

    CAS No: 52980-68-4

    Mol.F. : C13H16N2O5

    Mol.Wt. : 280.3

    Inv. Status : Custom Synthesis

    Methotrexate Disodium
    Image

    CF CAT No: CF-M003016

    CAS No: 7413-34-5

    Mol.F. : C20H20N8O52 : 2(Na)

    Mol.Wt. : 452.4 : 2(23.0)

    Inv. Status : Custom Synthesis

    Methotrexate Disodium Tetrahydrate
    Image

    CF CAT No: CF-M003017

    CAS No: NA

    Mol.F. : C20H20N8O52 : 2(Na) : 4(H2O)

    Mol.Wt. : 452.4 : 2(23.0) : 4(18.0)

    Inv. Status : Custom Synthesis

    Methotrexate Impurity 1
    Image

    CF CAT No: CF-M003018

    CAS No: 1029980-84-4

    Mol.F. : C17H24N2O5

    Mol.Wt. : 336.4

    Inv. Status : Custom Synthesis

    Methotrexate Impurity 2
    Image

    CF CAT No: CF-M003019

    CAS No: 51865-66-8

    Mol.F. : C17H24N2O5

    Mol.Wt. : 336.4

    Inv. Status : Custom Synthesis

    Methotrexate Impurity 7
    Image

    CF CAT No: CF-M003020

    CAS No: 57963-63-0

    Mol.F. : C16H21NO6

    Mol.Wt. : 323.3

    Inv. Status : Custom Synthesis

    Methotrexate Impurity 8
    Image

    CF CAT No: CF-M003021

    CAS No: 909874-43-7

    Mol.F. : C18H26N2O5

    Mol.Wt. : 350.4

    Inv. Status : Custom Synthesis

    Methotrexate Impurity 12
    Image

    CF CAT No: CF-M003022

    CAS No: 881-33-4

    Mol.F. : C7H8N6O

    Mol.Wt. : 192.2

    Inv. Status : Custom Synthesis

    Methotrexate Impurity 16
    Image

    CF CAT No: CF-M003023

    CAS No: 65148-63-2

    Mol.F. : C22H26N8O5

    Mol.Wt. : 482.5

    Inv. Status : Custom Synthesis

    Methotrexate N-Desmethyl Impurity
    Image

    CF CAT No: CF-M003024

    CAS No: 1189252-22-9

    Mol.F. : C14H12N6O3 : H2O

    Mol.Wt. : 312.3 : 18.0

    Inv. Status : Custom Synthesis

    Methotrexate Nitroso Impurity 3
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    CF CAT No: CF-M003025

    CAS No: NA

    Mol.F. : C17H23N3O6

    Mol.Wt. : 365.4

    Inv. Status : Custom Synthesis

    Methotrexate Nitroso Impurity 6
    Image

    CF CAT No: CF-M003026

    CAS No: NA

    Mol.F. : C13H13N3O6 : 2(Na)

    Mol.Wt. : 307.3 : 2(23.0)

    Inv. Status : Custom Synthesis

    N-Nitroso Methotrexate EP Impurity B
    Image

    CF CAT No: CF-M003027

    CAS No: NA

    Mol.F. : C19H19N9O6

    Mol.Wt. : 469.4

    Inv. Status : Custom Synthesis

    N-Nitroso Methotrexate EP Impurity B Disodium salt
    Image

    CF CAT No: CF-M003028

    CAS No: NA

    Mol.F. : C19H17N9O6 : 2(Na)

    Mol.Wt. : 467.4 : 2(23.0)

    Inv. Status : Custom Synthesis

    N-Nitroso Methotrexate EP Impurity L Disodium salt
    Image

    CF CAT No: CF-M003029

    CAS No: NA

    Mol.F. : C13H15N3O6 : 2(Na)

    Mol.Wt. : 309.3 : 2(23.0)

    Inv. Status : Custom Synthesis

    N-Nitroso S-Methylaminobenzoyl Glutamicester
    Image

    CF CAT No: CF-M003030

    CAS No: NA

    Mol.F. : C17H23N3O6

    Mol.Wt. : 365.4

    Inv. Status : Custom Synthesis

    S-methylaminobenzoyl glutamicester
    Image

    CF CAT No: CF-M003031

    CAS No: 2378-95-2

    Mol.F. : C17H24N2O5

    Mol.Wt. : 336.4

    Inv. Status : Custom Synthesis

    Methotrexate 7-Hydroxy Metabolite
    Image

    CF CAT No: CF-M003032

    CAS No: 5939-37-7

    Mol.F. : C20H22N8O6

    Mol.Wt. : 470.4

    Inv. Status : Custom Synthesis

    Methotrexate Dihydrate
    Image

    CF CAT No: CF-M003033

    CAS No: 1212284-68-8

    Mol.F. : C20H22N8O5 : 2(H2O)

    Mol.Wt. : 454.4 : 2(18.0)

    Inv. Status : Custom Synthesis

    Methotrexate Dimethylamide (USP)
    Image

    CF CAT No: CF-M003034

    CAS No: 71074-44-7

    Mol.F. : C22H27N9O4

    Mol.Wt. : 481.5

    Inv. Status : Custom Synthesis

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