trimethoprim
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.
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[pname] => N2-Methyl Trimethoprim-D3 (Impurity)
[catalogue_number] => PA STI 064680
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N2-Methyl Trimethoprim-D3 (Impurity)
Catalogue No.:PA STI 064680
Molecular Formula : C15H17D3N4O3
Molecular Weight : 307.36
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[pname] => Brodimoprim-d6
[catalogue_number] => PA STI 014340
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[weight] => 345.22
[form] => C13H9D6BrN4O2
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Catalogue No.:PA STI 014340
Molecular Formula : C13H9D6BrN4O2
Molecular Weight : 345.22
stdClass Object
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[pname] => 4-Desmethoxy-4-bromo Trimethoprim-d3
[catalogue_number] => PA STI 027910
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[chemical_name] =>
[weight] => 342.21
[form] => C13H12D3BrN4O2
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4-Desmethoxy-4-bromo Trimethoprim-d3
Catalogue No.:PA STI 027910
Molecular Formula : C13H12D3BrN4O2
Molecular Weight : 342.21
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[catalogue_number] => PA STI 028840
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[chemical_name] =>
[weight] => 309.38
[form] => C15H15D5N4O3
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4-O-Desmethyl 4-O-Ethyl Trimethoprim-D5
Catalogue No.:PA STI 028840
Molecular Formula : C15H15D5N4O3
Molecular Weight : 309.38
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[pname] => 4-Hydroxy Trimethoprim-13C3
[catalogue_number] => PA STI 051940
[category_ids] => ,81,98,78,70,82,
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[weight] => 309.30
[form] => C1113C3H18N4O4
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4-Hydroxy Trimethoprim-13C3
Catalogue No.:PA STI 051940
Molecular Formula : C1113C3H18N4O4
Molecular Weight : 309.30
stdClass Object
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[pname] => 4-Hydroxy Trimethoprim-d9
[catalogue_number] => PA STI 051950
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[form] => C14H9D9N4O4
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4-Hydroxy Trimethoprim-d9
Catalogue No.:PA STI 051950
Molecular Formula : C14H9D9N4O4
Molecular Weight : 315.37
stdClass Object
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[pname] => α-Hydroxy Trimethoprim-D3 (Impurity)
[catalogue_number] => PA STI 051960
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[form] => C14H15D3N4O4
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α-Hydroxy Trimethoprim-D3 (Impurity)
Catalogue No.:PA STI 051960
Molecular Formula : C14H15D3N4O4
Molecular Weight : 309.34
stdClass Object
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[pname] => Sulfametrole-d4
[catalogue_number] => PA STI 080340
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Catalogue No.:PA STI 080340
Molecular Formula : C9H6D4N4O3S2
Molecular Weight : 290.36
stdClass Object
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[pname] => Sulfamonomethoxine-d4
[catalogue_number] => PA STI 080510
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Catalogue No.:PA STI 080510
Molecular Formula : C11H8D4N4O3S
Molecular Weight : 284.33
stdClass Object
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[pname] => Trimethoprim-13C3
[catalogue_number] => PA STI 085070
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[weight] => 293.30
[form] => C1113C3H18N4O3
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Catalogue No.:PA STI 085070
Molecular Formula : C1113C3H18N4O3
Molecular Weight : 293.30
stdClass Object
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[pname] => Trimethoprim-d9 (Major)
[catalogue_number] => PA STI 085080
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[weight] => 299.37
[form] => C14H9D9N4O3
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Catalogue No.:PA STI 085080
Molecular Formula : C14H9D9N4O3
Molecular Weight : 299.37
stdClass Object
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[pname] => Trimethoprim-d3
[catalogue_number] => PA STI 085090
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[weight] => 293.34
[form] => C14H15D3N4O3
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Catalogue No.:PA STI 085090
Molecular Formula : C14H15D3N4O3
Molecular Weight : 293.34
stdClass Object
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[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
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α-(3,4,5-Trimethoxybenzylidene)-β-methoxypropylnitrile-d3
Catalogue No.:PA STI 085190
Molecular Formula : C14H14D3NO4
Molecular Weight : 266.31
stdClass Object
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[pname] => 3,4,5-Trimethoxy-d9-2'-cyano-di-hydrocinnamaldehyde Dimethylacetal
[catalogue_number] => PA STI 085200
[category_ids] => ,78,70,82,98,
[chemical_name] =>
[weight] => 304.39
[form] => C15H12D9NO5
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3,4,5-Trimethoxy-d9-2'-cyano-di-hydrocinnamaldehyde Dimethylacetal
Catalogue No.:PA STI 085200
Molecular Formula : C15H12D9NO5
Molecular Weight : 304.39
stdClass Object
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[pname] => Sulfamonomethoxine-d3 (methoxy-d3)
[catalogue_number] => PA STI 088430
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[weight] => 283.32
[form] => C11H9D3N4O3S
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Sulfamonomethoxine-d3 (methoxy-d3)
Catalogue No.:PA STI 088430
Molecular Formula : C11H9D3N4O3S
Molecular Weight : 283.32
stdClass Object
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[catalogue_number] => PA STI 088943
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[form] => C17H14D6N6
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Catalogue No.:PA STI 088943
Molecular Formula : C17H14D6N6
Molecular Weight : 314.43
