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 [catalogue_number] => PA 20 57110 [category_ids] => ,79,80,70,75, [chemical_name] => [weight] => 129.59 [form] => C6H5NH2·HCl [cas] => 142-04-1 [pslug] => 142-04-1-trimethoprim-impurity-k-pa2057110 [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 57110
Molecular Formula : C6H5NH2·HCl
Molecular Weight : 129.59
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] => 2-Amino-5-(4-hydroxy-3,5- dimethoxybenzyl)pyrimidin-4-ol [catalogue_number] => PA 20 57520 [category_ids] => ,79,80,78,70,82, [chemical_name] => [weight] => 277.28 [form] => C13H15N3O4 [cas] => 72920-13-9 [pslug] => 72920-13-9-2-amino-5-4-hydroxy-3-5-dimethoxybenzyl-pyrimidin-4-ol-pa2057520 [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 57520
Molecular Formula : C13H15N3O4
Molecular Weight : 277.28
stdClass Object ( [pname] => 1-Oxide Trimethoprim [catalogue_number] => PA 20 57540 [category_ids] => ,79,80,78,70,82,71, [chemical_name] => [weight] => 306.32 [form] => C14H18N4O4 [cas] => 27653-68-5 [pslug] => 27653-68-5-1-oxide-trimethoprim-pa2057540 [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 57540
stdClass Object ( [pname] => 3-Oxide Trimethoprim [catalogue_number] => PA 20 57550 [category_ids] => ,70,71,78,79,80,82, [chemical_name] => [weight] => 306.32 [form] => C14H18N4O4 [cas] => 27653-67-4 [pslug] => 27653-67-4-3-oxide-trimethoprim-pa2057550 [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 57550
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] => 5-(3,4,5-Trimethoxybenzyl)pyrimidine [catalogue_number] => PA 20 57580 [category_ids] => ,79,80,78,70,82, [chemical_name] => [weight] => 260.29 [form] => C14H16N2O3 [cas] => 1569582-44-0 [pslug] => 1569582-44-0-5-3-4-5-trimethoxybenzyl-pyrimidine-pa2057580 [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 57580
Molecular Formula : C14H16N2O3
Molecular Weight : 260.29
stdClass Object ( [pname] => Trimethoprim L-Glutamate [catalogue_number] => PA 20 57590 [category_ids] => ,79,80,78,70,82,71, [chemical_name] => [weight] => 437.45 [form] => C19H27N5O7 [cas] => 94232-28-7 [pslug] => 94232-28-7-trimethoprim-l-glutamate-pa2057590 [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 57590
Molecular Formula : C19H27N5O7
Molecular Weight : 437.45
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] => Brodimoprim-d6 [catalogue_number] => PA STI 014340 [category_ids] => ,80,71,81,78,70,82,98, [chemical_name] => [weight] => 345.22 [form] => C13H9D6BrN4O2 [cas] => 1346599-93-6 [pslug] => 1346599-93-6-brodimoprim-d6-pasti014340 [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 014340
Molecular Formula : C13H9D6BrN4O2
Molecular Weight : 345.22
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] => Sulfametrole-d4 [catalogue_number] => PA STI 080340 [category_ids] => ,79,80,78,70,82,98,88, [chemical_name] => [weight] => 290.36 [form] => C9H6D4N4O3S2 [cas] => NA [pslug] => sulfametrole-d4-pasti080340 [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 080340
Molecular Formula : C9H6D4N4O3S2
Molecular Weight : 290.36
stdClass Object ( [pname] => Sulfamonomethoxine-d4 [catalogue_number] => PA STI 080510 [category_ids] => ,79,80,71,98,88, [chemical_name] => [weight] => 284.33 [form] => C11H8D4N4O3S [cas] => 1286538-12-2 [pslug] => 1286538-12-2-sulfamonomethoxine-d4-pasti080510 [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 080510
Molecular Formula : C11H8D4N4O3S
Molecular Weight : 284.33
stdClass Object ( [pname] => α-(3,4,5-Trimethoxybenzylidene)-β-methoxypropylnitrile-d3 [catalogue_number] => PA STI 085190 [category_ids] => ,80,70,98, [chemical_name] => [weight] => 266.31 [form] => C14H14D3NO4 [cas] => 1246833-90-8 [pslug] => 1246833-90-8-alpha-3-4-5-trimethoxybenzylidene-beta-methoxypropylnitrile-d3-pasti085190 [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 085190
Molecular Formula : C14H14D3NO4
Molecular Weight : 266.31
stdClass Object ( [pname] => α-(3,4,5-Trimethoxybenzylidene)-β-methoxypropylnitrile [catalogue_number] => PA 20 57610 [category_ids] => ,80,70, [chemical_name] => [weight] => 263.29 [form] => C14H17NO4 [cas] => 7520-69-6 [pslug] => 7520-69-6-alpha-3-4-5-trimethoxybenzylidene-beta-methoxypropylnitrile-pa2057610 [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 57610
Molecular Formula : C14H17NO4
Molecular Weight : 263.29
stdClass Object ( [pname] => Methyl 2,4,6-trimethoxybenzoate [catalogue_number] => PA 20 0571000 [category_ids] => ,79,80,78,70,82, [chemical_name] => [weight] => 226.23 [form] => C11H14O5 [cas] => 29723-28-2 [pslug] => 29723-28-2-methyl-2-4-6-trimethoxybenzoate-pa200571000 [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 0571000
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