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.
stdClass Object ( [pname] => Methotrexate - API Standards [catalogue_number] => PA 13 28000 [category_ids] => ,80,69,71,85,83,78,70,82, [chemical_name] => [weight] => 454.44 [form] => C20H22N8O5 [cas] => 59-05-2 [pslug] => 59-05-2-methotrexate-api-pa1328000 [latest_product] => 0 [linkproducts] => 1 [offers_id] => 8 [offers_name] => Ready Stock [offers_status] => 1 [offers_start_date] => 2024-12-16 [offers_end_date] => 2024-12-31 [pageview] => 2 [offers_slug] => ready-stock [offers_product_id] => 40238 [offers_product_code] => PA 13 28000 [offers_master_id] => 8 [offer_percentage] => 20 % OFF [offers_product_main_cat] => Pharmaceutical Reference Standards )
Catalogue No.:PA 13 28000
CAS :
Molecular Formula : C20H22N8O5
Molecular Weight : 454.44
stdClass Object ( [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 [latest_product] => 0 [linkproducts] => 1 [offers_id] => 8 [offers_name] => Ready Stock [offers_status] => 1 [offers_start_date] => 2024-12-16 [offers_end_date] => 2024-12-31 [pageview] => 2 [offers_slug] => ready-stock [offers_product_id] => 40241 [offers_product_code] => PA 13 28010 [offers_master_id] => 8 [offer_percentage] => 20 % OFF [offers_product_main_cat] => Pharmaceutical Reference Standards )
Catalogue No.:PA 13 28010
Molecular Formula : C7H8N6O
Molecular Weight : 192.18
stdClass Object ( [pname] => Methotrexate - Impurity F (Freebase) [catalogue_number] => PA 13 28060 [category_ids] => 85,83,69,80,70,78,82,71 [chemical_name] => [weight] => 454.44 [form] => C20H22N8O5 [cas] => 51865-79-3 [pslug] => 51865-79-3-methotrexate-impurity-f-freebase-pa1328060 [latest_product] => 0 [linkproducts] => 1 [offers_id] => 8 [offers_name] => Ready Stock [offers_status] => 1 [offers_start_date] => 2024-12-16 [offers_end_date] => 2024-12-31 [pageview] => 2 [offers_slug] => ready-stock [offers_product_id] => 40247 [offers_product_code] => PA 13 28060 [offers_master_id] => 8 [offer_percentage] => 20 % OFF [offers_product_main_cat] => Pharmaceutical Reference Standards )
Catalogue No.:PA 13 28060
stdClass Object ( [pname] => Methotrexate - Impurity H (Freebase) [catalogue_number] => PA 13 28080 [category_ids] => 71,82,78,70,80,69,83,85 [chemical_name] => [weight] => 468.47 [form] => C21H24N8O5 [cas] => 67022-39-3 [pslug] => 67022-39-3-methotrexate-impurity-h-freebase-pa1328080 [latest_product] => 0 [linkproducts] => 0 [offers_id] => 8 [offers_name] => Ready Stock [offers_status] => 1 [offers_start_date] => 2024-12-16 [offers_end_date] => 2024-12-31 [pageview] => 2 [offers_slug] => ready-stock [offers_product_id] => 40248 [offers_product_code] => PA 13 28080 [offers_master_id] => 8 [offer_percentage] => 20 % OFF [offers_product_main_cat] => Pharmaceutical Reference Standards )
Catalogue No.:PA 13 28080
Molecular Formula : C21H24N8O5
Molecular Weight : 468.47
stdClass Object ( [pname] => Methotrexate - Impurity I (Freebase) [catalogue_number] => PA 13 28090 [category_ids] => 71,82,78,70,80,69,83,85 [chemical_name] => [weight] => 468.47 [form] => C21H24N8O5 [cas] => 66147-29-3 [pslug] => 66147-29-3-methotrexate-impurity-i-freebase-pa1328090 [latest_product] => 0 [linkproducts] => 0 [offers_id] => 8 [offers_name] => Ready Stock [offers_status] => 1 [offers_start_date] => 2024-12-16 [offers_end_date] => 2024-12-31 [pageview] => 2 [offers_slug] => ready-stock [offers_product_id] => 40249 [offers_product_code] => PA 13 28090 [offers_master_id] => 8 [offer_percentage] => 20 % OFF [offers_product_main_cat] => Pharmaceutical Reference Standards )
Catalogue No.:PA 13 28090
stdClass Object ( [pname] => Methotrexate-d3 [catalogue_number] => PA STI 059080 [category_ids] => ,80,69,71,98,85,83,78,70,82, [chemical_name] => [weight] => 457.46 [form] => C20H19D3N8O5 [cas] => 432545-63-6 [pslug] => 432545-63-6-methotrexate-d3-pasti059080 [latest_product] => 0 [linkproducts] => 0 [offers_id] => [offers_name] => [offers_status] => [offers_start_date] => [offers_end_date] => [pageview] => [offers_slug] => [offers_product_id] => [offers_product_code] => [offers_master_id] => [offer_percentage] => [offers_product_main_cat] => )
Catalogue No.:PA STI 059080
Molecular Formula : C20H19D3N8O5
Molecular Weight : 457.46
stdClass Object ( [pname] => DL-Methotrexate-d3 Dipotassium Salt [catalogue_number] => PA STI 059090 [category_ids] => ,80,69,71,85,83,98,78,70,82, [chemical_name] => [weight] => 533.64 [form] => C20H17D3K2N8O5 [cas] => NA [pslug] => dl-methotrexate-d3-dipotassium-salt-pasti059090 [latest_product] => 0 [linkproducts] => 0 [offers_id] => [offers_name] => [offers_status] => [offers_start_date] => [offers_end_date] => [pageview] => [offers_slug] => [offers_product_id] => [offers_product_code] => [offers_master_id] => [offer_percentage] => [offers_product_main_cat] => )
Catalogue No.:PA STI 059090
Molecular Formula : C20H17D3K2N8O5
Molecular Weight : 533.64
stdClass Object ( [pname] => N-(4-(((2,4-Diaminopteridin-6-yl)methyl)(methyl)amino)benzoyl)-N-nitroso-L-glutamic Acid [catalogue_number] => PA 13 0281032 [category_ids] => ,80,69,71,85,83,78,70,82, [chemical_name] => [weight] => 483.45 [form] => C20H21N9O6 [cas] => NA [pslug] => n-4-2-4-diaminopteridin-6-yl-methyl-methyl-amino-benzoyl-n-nitroso-l-glutamic-acid-pa130281032 [latest_product] => 0 [linkproducts] => 0 [offers_id] => [offers_name] => [offers_status] => [offers_start_date] => [offers_end_date] => [pageview] => [offers_slug] => [offers_product_id] => [offers_product_code] => [offers_master_id] => [offer_percentage] => [offers_product_main_cat] => )
Catalogue No.:PA 13 0281032
Molecular Formula : C20H21N9O6
Molecular Weight : 483.45
stdClass Object ( [pname] => N-(4-(((2,4-Diaminopteridin-6-yl)methyl)(nitroso)amino)benzoyl)-N-formyl-L-glutamic Acid [catalogue_number] => PA 13 0281033 [category_ids] => ,80,69,71,85,83,78,70,82, [chemical_name] => [weight] => 497.43 [form] => C20H19N9O7 [cas] => NA [pslug] => n-4-2-4-diaminopteridin-6-yl-methyl-nitroso-amino-benzoyl-n-formyl-l-glutamic-acid-pa130281033 [latest_product] => 0 [linkproducts] => 0 [offers_id] => [offers_name] => [offers_status] => [offers_start_date] => [offers_end_date] => [pageview] => [offers_slug] => [offers_product_id] => [offers_product_code] => [offers_master_id] => [offer_percentage] => [offers_product_main_cat] => )
Catalogue No.:PA 13 0281033
Molecular Formula : C20H19N9O7
Molecular Weight : 497.43
stdClass Object ( [pname] => Diethyl (4-(methyl(nitroso)amino)benzoyl)-D-glutamate [catalogue_number] => PA 13 0281034 [category_ids] => ,80,69,71,85,83,78,70,82, [chemical_name] => [weight] => 365.39 [form] => C17H23N3O6 [cas] => NA [pslug] => diethyl-4-methyl-nitroso-amino-benzoyl-d-glutamate-pa130281034 [latest_product] => 0 [linkproducts] => 0 [offers_id] => [offers_name] => [offers_status] => [offers_start_date] => [offers_end_date] => [pageview] => [offers_slug] => [offers_product_id] => [offers_product_code] => [offers_master_id] => [offer_percentage] => [offers_product_main_cat] => )
Catalogue No.:PA 13 0281034
Molecular Formula : C17H23N3O6
Molecular Weight : 365.39
stdClass Object ( [pname] => Diethyl N-(4-(methylamino)benzoyl)-N-nitroso-D-glutamate [catalogue_number] => PA 13 0281035 [category_ids] => ,80,69,71,85,83,78,70,82, [chemical_name] => [weight] => 365.39 [form] => C17H23N3O6 [cas] => NA [pslug] => diethyl-n-4-methylamino-benzoyl-n-nitroso-d-glutamate-pa130281035 [latest_product] => 0 [linkproducts] => 0 [offers_id] => [offers_name] => [offers_status] => [offers_start_date] => [offers_end_date] => [pageview] => [offers_slug] => [offers_product_id] => [offers_product_code] => [offers_master_id] => [offer_percentage] => [offers_product_main_cat] => )
Catalogue No.:PA 13 0281035
stdClass Object ( [pname] => Diethyl N-(4-(methyl(nitroso)amino)benzoyl)-N-nitroso-D-glutamate [catalogue_number] => PA 13 0281036 [category_ids] => ,80,69,71,85,83,78,70,82, [chemical_name] => [weight] => 394.38 [form] => C17H22N4O7 [cas] => NA [pslug] => diethyl-n-4-methyl-nitroso-amino-benzoyl-n-nitroso-d-glutamate-pa130281036 [latest_product] => 0 [linkproducts] => 0 [offers_id] => [offers_name] => [offers_status] => [offers_start_date] => [offers_end_date] => [pageview] => [offers_slug] => [offers_product_id] => [offers_product_code] => [offers_master_id] => [offer_percentage] => [offers_product_main_cat] => )
Catalogue No.:PA 13 0281036
Molecular Formula : C17H22N4O7
Molecular Weight : 394.38
stdClass Object ( [pname] => N-(4-(((2,4-Diaminopteridin-6-yl)methyl)(methyl)amino)benzoyl)-N-nitroso-D-glutamic Acid [catalogue_number] => PA 13 0281037 [category_ids] => ,80,69,71,85,83,78,70,82, [chemical_name] => [weight] => 483.45 [form] => C20H21N9O6 [cas] => NA [pslug] => n-4-2-4-diaminopteridin-6-yl-methyl-methyl-amino-benzoyl-n-nitroso-d-glutamic-acid-pa130281037 [latest_product] => 0 [linkproducts] => 0 [offers_id] => [offers_name] => [offers_status] => [offers_start_date] => [offers_end_date] => [pageview] => [offers_slug] => [offers_product_id] => [offers_product_code] => [offers_master_id] => [offer_percentage] => [offers_product_main_cat] => )
Catalogue No.:PA 13 0281037
stdClass Object ( [pname] => Diethyl N-(4-(((2,4-diaminopteridin-6-yl)methyl)(methyl)amino)benzoyl)-N-nitroso-L-glutamate [catalogue_number] => PA 13 0281038 [category_ids] => ,80,69,71,85,83,78,70,82, [chemical_name] => [weight] => 539.55 [form] => C24H29N9O6 [cas] => NA [pslug] => diethyl-n-4-2-4-diaminopteridin-6-yl-methyl-methyl-amino-benzoyl-n-nitroso-l-glutamate-pa130281038 [latest_product] => 0 [linkproducts] => 0 [offers_id] => [offers_name] => [offers_status] => [offers_start_date] => [offers_end_date] => [pageview] => [offers_slug] => [offers_product_id] => [offers_product_code] => [offers_master_id] => [offer_percentage] => [offers_product_main_cat] => )
Catalogue No.:PA 13 0281038
Molecular Formula : C24H29N9O6
Molecular Weight : 539.55
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