Used for the treatment of toxoplasmosis ( a parasitic disease) and cystoisosporiasis (human intestinal parasitic disease ) in combination with leucovorin. It works by inhibiting the synthesis of RNA and DNA in many species. A dihydrofolate reductase inhibitor.Reference standards of Pyrimethamine API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.
stdClass Object ( [pname] => α-(4-Chlorophenyl)-α-propionylacetonitrile [catalogue_number] => PA 43 01550 [category_ids] => ,80,70, [chemical_name] => [weight] => 207.66 [form] => C11H10ClNO [cas] => 55474-40-3 [pslug] => 55474-40-3-alpha-4-chlorophenyl-alpha-propionylacetonitrile-pa4301550 [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 43 01550
CAS :
Molecular Formula : C11H10ClNO
Molecular Weight : 207.66
stdClass Object ( [pname] => Pyrimethamine - Impurity D [catalogue_number] => PA 43 01560 [category_ids] => ,70,78,80,82, [chemical_name] => [weight] => 251.71 [form] => C13H14ClNO2 [cas] => NA [pslug] => pyrimethamine-impurity-d-pa4301560 [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 43 01560
Molecular Formula : C13H14ClNO2
Molecular Weight : 251.71
stdClass Object ( [pname] => Pyrimethamine - Impurity B [catalogue_number] => PA 20 57530 [category_ids] => 82,80,79,78,70 [chemical_name] => [weight] => 234.68 [form] => C11H11ClN4 [cas] => 3275-44-3 [pslug] => 3275-44-3-pyrimethamine-impurity-b-pa2057530 [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 20 57530
Molecular Formula : C11H11ClN4
Molecular Weight : 234.68
stdClass Object ( [pname] => Ethyl 2-(4-chlorophenyl)-3-oxopentanoate [catalogue_number] => PA 43 01570 [category_ids] => ,92,80,78,70,82, [chemical_name] => [weight] => 254.71 [form] => C13H15ClO3 [cas] => 100713-76-6 [pslug] => 100713-76-6-ethyl-2-4-chlorophenyl-3-oxopentanoate-pa4301570 [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 43 01570
Molecular Formula : C13H15ClO3
Molecular Weight : 254.71
stdClass Object ( [pname] => (Z)-2-(4-Chlorophenyl)-3-hydroxypent-2-enenitrile [catalogue_number] => PA 43 01580 [category_ids] => ,92,80,78,70,82, [chemical_name] => [weight] => 207.66 [form] => C11H10ClNO [cas] => NA [pslug] => z-2-4-chlorophenyl-3-hydroxypent-2-enenitrile-pa4301580 [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 43 01580
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