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 D [catalogue_number] => PA 20 57040 [category_ids] => ,79,80,76,75,78,70,82, [chemical_name] => [weight] => 291.30 [form] => C14H17N3O4 [cas] => 92440-76-1 [pslug] => 92440-76-1-trimethoprim-impurity-d-pa2057040 [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 57040
Molecular Formula : C14H17N3O4
Molecular Weight : 291.30
stdClass Object ( [pname] => Trimethoprim - Impurity E [catalogue_number] => PA 20 57050 [category_ids] => ,79,80,76,75,78,70,82, [chemical_name] => [weight] => 291.30 [form] => C14H17N3O4 [cas] => 60729-91-1 [pslug] => 60729-91-1-trimethoprim-impurity-e-pa2057050 [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 57050
stdClass Object ( [pname] => Trimethoprim - Impurity F [catalogue_number] => PA 20 57060 [category_ids] => ,80,71,75,81,78,70,82, [chemical_name] => [weight] => 339.19 [form] => C13H15BrN4O2 [cas] => 16285-82-8 [pslug] => 16285-82-8-trimethoprim-impurity-f-pa2057060 [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 57060
Molecular Formula : C13H15BrN4O2
Molecular Weight : 339.19
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] => Trimethoprim - Impurity H [catalogue_number] => PA 20 57080 [category_ids] => ,80,75,78,70,82, [chemical_name] => [weight] => 226.23 [form] => C11H14O5 [cas] => 1916-07-0 [pslug] => 1916-07-0-trimethoprim-impurity-h-pa2057080 [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 57080
Molecular Formula : C11H14O5
Molecular Weight : 226.23
stdClass Object ( [pname] => Trimethoprim - Impurity J [catalogue_number] => PA 20 57100 [category_ids] => ,80,76,75, [chemical_name] => [weight] => 212.20 [form] => C10H12O5 [cas] => 118-41-2 [pslug] => 118-41-2-trimethoprim-impurity-j-pa2057100 [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 57100
Molecular Formula : C10H12O5
Molecular Weight : 212.20
stdClass Object ( [pname] => Trimethoprim - Impurity K (Freebase) [catalogue_number] => PA 20 57111 [category_ids] => ,79,80,70,75, [chemical_name] => [weight] => 93.13 [form] => C6H7N [cas] => 62-53-3 [pslug] => 62-53-3-trimethoprim-impurity-k-freebase-pa2057111 [latest_product] => 0 [linkproducts] => 1 [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 57111
Molecular Formula : C6H7N
Molecular Weight : 93.13
stdClass Object ( [pname] => 5-(3,4,5-Trimethoxybenzyl)pyrimidin- 2,4-diol [catalogue_number] => PA 20 57510 [category_ids] => ,80,76,75,78,70,82, [chemical_name] => [weight] => 292.29 [form] => C14H16N2O5 [cas] => 93885-69-9 [pslug] => 93885-69-9-5-3-4-5-trimethoxybenzyl-pyrimidin-2-4-diol-pa2057510 [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 57510
Molecular Formula : C14H16N2O5
Molecular Weight : 292.29
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-Desmethoxy-4-bromo Trimethoprim-d3 [catalogue_number] => PA STI 027910 [category_ids] => ,80,71,75,81,78,70,82,98, [chemical_name] => [weight] => 342.21 [form] => C13H12D3BrN4O2 [cas] => 1346600-27-8 [pslug] => 1346600-27-8-4-desmethoxy-4-bromo-trimethoprim-d3-pasti027910 [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 027910
Molecular Formula : C13H12D3BrN4O2
Molecular Weight : 342.21
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
stdClass Object ( [pname] => 4-Ethoxy-3,5-dimethoxybenzaldehyde [catalogue_number] => PAI 20 008101 [category_ids] => ,75,76,70,78,82, [chemical_name] => [weight] => 210.23 [form] => C11H14O4 [cas] => 39075-25-7 [pslug] => 39075-25-7-4-ethoxy-3-5-dimethoxybenzaldehyde-pai20008101 [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.:PAI 20 008101
Molecular Formula : C11H14O4
Molecular Weight : 210.23
stdClass Object ( [pname] => (Z)-3-(4-Ethoxy-3,5-dimethoxyphenyl)-2-(ethoxymethyl)acrylonitrile [catalogue_number] => PAI 20 008102 [category_ids] => 82,78,70,75,76 [chemical_name] => [weight] => 291.35 [form] => C16H21NO4 [cas] => NA [pslug] => z-3-4-ethoxy-3-5-dimethoxyphenyl-2-ethoxymethyl-acrylonitrile-pai20008102 [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.:PAI 20 008102
Molecular Formula : C16H21NO4
Molecular Weight : 291.35
stdClass Object ( [pname] => N4-Methyl-5-(3,4,5-trimethoxybenzyl)-pyrimidine-2,4-diamine [catalogue_number] => PA 20 0571001 [category_ids] => ,75,76,78,70,82, [chemical_name] => [weight] => 304.35 [form] => C15H20N4O3 [cas] => 92653-78-6 [pslug] => 92653-78-6-n4-methyl-5-3-4-5-trimethoxybenzyl-pyrimidine-2-4-diamine-pa200571001 [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 0571001
Molecular Weight : 304.35
stdClass Object ( [pname] => 5-Iodo-N2,N4-bis(phenylmethyl)-2,4-pyrimidinediamine [catalogue_number] => PA 20 0571002 [category_ids] => ,75,76,78,70,82, [chemical_name] => [weight] => 416.27 [form] => C18H17IN4 [cas] => 1193570-17-0 [pslug] => 1193570-17-0-5-iodo-n2-n4-bis-phenylmethyl-2-4-pyrimidinediamine-pa200571002 [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 0571002
Molecular Formula : C18H17IN4
Molecular Weight : 416.27
stdClass Object ( [pname] => Baquiloprim-d6 [catalogue_number] => PA STI 088943 [category_ids] => ,98,75,76,78,70,82, [chemical_name] => [weight] => 314.43 [form] => C17H14D6N6 [cas] => 1228182-50-0 [pslug] => 1228182-50-0-baquiloprim-d6-pasti088943 [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 088943
Molecular Formula : C17H14D6N6
Molecular Weight : 314.43
stdClass Object ( [pname] => Trimethoprim Impurity I (E-Isomer) [catalogue_number] => PA 20 0571003 [category_ids] => ,75,76,78,70,82, [chemical_name] => [weight] => 324.38 [form] => C19H20N2O3 [cas] => 118791-61-0 [pslug] => 118791-61-0-trimethoprim-impurity-i-e-isomer-pa200571003 [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 0571003
Molecular Formula : C19H20N2O3
Molecular Weight : 324.38
stdClass Object ( [pname] => N-(4-Amino-5-(3,4,5-trimethoxybenzyl)pyrimidin-2-yl)-N-methylnitrous Amide [catalogue_number] => PA 20 0571004 [category_ids] => ,76,75,78,70,82, [chemical_name] => [weight] => 333.35 [form] => C15H19N5O4 [cas] => NA [pslug] => n-4-amino-5-3-4-5-trimethoxybenzyl-pyrimidin-2-yl-n-methylnitrous-amide-pa200571004 [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 0571004
Molecular Formula : C15H19N5O4
Molecular Weight : 333.35
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