Trimethoprim used mainly in the treatment of bladder infections. It is available as a generic medication and is not very expensive. Reference standards of Trimethoprim API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.
stdClass Object ( [pname] => Trimethoprim - Impurity A [catalogue_number] => PA 20 57010 [category_ids] => ,79,80,74,71,76,75,78,70,82, [chemical_name] => [weight] => 304.34 [form] => C15H20N4O3 [cas] => 213745-86-9 [pslug] => 213745-86-9-trimethoprim-impurity-a-pa2057010 [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 57010
CAS :
Molecular Formula : C15H20N4O3
Molecular Weight : 304.34
stdClass Object ( [pname] => Trimethoprim - Impurity C [catalogue_number] => PA 20 57030 [category_ids] => ,79,80,74,71,76,75,78,70,82, [chemical_name] => [weight] => 306.32 [form] => C14H18N4O4 [cas] => 29606-06-2 [pslug] => 29606-06-2-trimethoprim-impurity-c-pa2057030 [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 57030
Molecular Formula : C14H18N4O4
Molecular Weight : 306.32
stdClass Object ( [pname] => Trimethoprim - Impurity G [catalogue_number] => PA 20 57070 [category_ids] => ,79,80,74,71,76,75,78,70,82, [chemical_name] => [weight] => 304.34 [form] => C15H20N4O3 [cas] => 78025-68-0 [pslug] => 78025-68-0-trimethoprim-impurity-g-pa2057070 [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 57070
stdClass Object ( [pname] => 3-Desmethyl Trimethoprim [catalogue_number] => PA 20 57560 [category_ids] => ,79,80,74,71,76,75,78,70,82, [chemical_name] => [weight] => 276.29 [form] => C13H16N4O3 [cas] => 27653-69-6 [pslug] => 27653-69-6-3-desmethyl-trimethoprim-pa2057560 [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 57560
Molecular Formula : C13H16N4O3
Molecular Weight : 276.29
stdClass Object ( [pname] => N2-Methyl Trimethoprim-D3 (Impurity) [catalogue_number] => PA STI 064680 [category_ids] => ,79,80,74,71,98,76,75,78,70,82, [chemical_name] => [weight] => 307.36 [form] => C15H17D3N4O3 [cas] => NA [pslug] => n2-methyl-trimethoprim-d3-impurity-pasti064680 [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 064680
Molecular Formula : C15H17D3N4O3
Molecular Weight : 307.36
stdClass Object ( [pname] => 4-O-Desmethyl 4-O-Ethyl Trimethoprim-D5 [catalogue_number] => PA STI 028840 [category_ids] => ,79,80,74,71,76,75,78,70,82,98, [chemical_name] => [weight] => 309.38 [form] => C15H15D5N4O3 [cas] => NA [pslug] => 4-o-desmethyl-4-o-ethyl-trimethoprim-d5-pasti028840 [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 028840
Molecular Formula : C15H15D5N4O3
Molecular Weight : 309.38
stdClass Object ( [pname] => α-Hydroxy Trimethoprim-D3 (Impurity) [catalogue_number] => PA STI 051960 [category_ids] => ,79,80,74,71,98,76,75,78,70,82, [chemical_name] => [weight] => 309.34 [form] => C14H15D3N4O4 [cas] => NA [pslug] => alpha-hydroxy-trimethoprim-d3-impurity-pasti051960 [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 051960
Molecular Formula : C14H15D3N4O4
Molecular Weight : 309.34
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