Methotrexate-impurities | Pharmaffiliates

methotrexate

An antimetabolite of the antifolate type, Methotrexate is an chemotherapy drug and used for treating autoimmune diseases like psoriasis, rheumatoid arthritis. It causes life threatening side effects. Reference standards of Methotrexate API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.

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(
    [pname] => Methotrexate - Impurity A (Freebase)
    [catalogue_number] => PA 13 28010
    [category_ids] => ,80,81,85,83,
    [chemical_name] => 
    [weight] => 192.18
    [form] => C7H8N6O
    [cas] => 945-24-4
    [pslug] => 945-24-4-methotrexate-impurity-a-freebase-pa1328010
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PA 13 28010

Methotrexate - Impurity A (Freebase)


  • Catalogue No.:PA 13 28010

  • CAS :

    945-24-4

  • Molecular Formula : C7H8N6O

  • Molecular Weight : 192.18

stdClass Object
(
    [pname] => Methotrexate - Impurity B (Freebase)
    [catalogue_number] => PA 13 28020
    [category_ids] => ,70,71,78,80,81,82,97,
    [chemical_name] => 
    [weight] => 440.41
    [form] => C19H20N8O5
    [cas] => 54-62-6
    [pslug] => 54-62-6-methotrexate-impurity-b-freebase-pa1328020
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PA 13 28020

Methotrexate - Impurity B (Freebase)


  • Catalogue No.:PA 13 28020

  • CAS :

    54-62-6

  • Molecular Formula : C19H20N8O5

  • Molecular Weight : 440.41

stdClass Object
(
    [pname] => 10-Deazaaminopterin
    [catalogue_number] => PA 13 0281000
    [category_ids] => ,75,76,123,81,70,78,82,
    [chemical_name] => 
    [weight] => 439.43
    [form] => C20H21N7O5
    [cas] => 52454-37-2
    [pslug] => 52454-37-2-10-deazaaminopterin-pa130281000
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PA 13 0281000

10-Deazaaminopterin


  • Catalogue No.:PA 13 0281000

  • CAS :

    52454-37-2

  • Molecular Formula : C20H21N7O5

  • Molecular Weight : 439.43