Trimethoprim-impurities | Pharmaffiliates

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.

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
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PA 20 57010

Trimethoprim - Impurity A


  • Catalogue No.:PA 20 57010

  • CAS :

    213745-86-9

  • 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
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PA 20 57030

Trimethoprim - Impurity C


  • Catalogue No.:PA 20 57030

  • CAS :

    29606-06-2

  • 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
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PA 20 57040

Trimethoprim - Impurity D


  • Catalogue No.:PA 20 57040

  • CAS :

    92440-76-1

  • 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
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PA 20 57050

Trimethoprim - Impurity E


  • Catalogue No.:PA 20 57050

  • CAS :

    60729-91-1

  • Molecular Formula : C14H17N3O4

  • Molecular Weight : 291.30

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
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PA 20 57070

Trimethoprim - Impurity G


  • Catalogue No.:PA 20 57070

  • CAS :

    78025-68-0

  • Molecular Formula : C15H20N4O3

  • Molecular Weight : 304.34

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
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PA 20 57110

Trimethoprim - Impurity K


  • Catalogue No.:PA 20 57110

  • CAS :

    142-04-1

  • 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
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PA 20 57111

Trimethoprim - Impurity K (Freebase)


  • Catalogue No.:PA 20 57111

  • CAS :

    62-53-3

  • Molecular Formula : C6H7N

  • Molecular Weight : 93.13

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
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PA 20 57520

2-Amino-5-(4-hydroxy-3,5- dimethoxybenzyl)pyrimidin-4-ol


  • Catalogue No.:PA 20 57520

  • CAS :

    72920-13-9

  • 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
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PA 20 57540

1-Oxide Trimethoprim


  • Catalogue No.:PA 20 57540

  • CAS :

    27653-68-5

  • Molecular Formula : C14H18N4O4

  • Molecular Weight : 306.32

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
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PA 20 57550

3-Oxide Trimethoprim


  • Catalogue No.:PA 20 57550

  • CAS :

    27653-67-4

  • Molecular Formula : C14H18N4O4

  • Molecular Weight : 306.32

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
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PA 20 57560

3-Desmethyl Trimethoprim


  • Catalogue No.:PA 20 57560

  • CAS :

    27653-69-6

  • 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
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PA 20 57580

5-(3,4,5-Trimethoxybenzyl)pyrimidine


  • Catalogue No.:PA 20 57580

  • CAS :

    1569582-44-0

  • 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
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PA 20 57590

Trimethoprim L-Glutamate


  • Catalogue No.:PA 20 57590

  • CAS :

    94232-28-7

  • 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
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PA STI 064680

N2-Methyl Trimethoprim-D3 (Impurity)


  • Catalogue No.:PA STI 064680

  • CAS :

    NA

  • 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
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PA STI 028840

4-O-Desmethyl 4-O-Ethyl Trimethoprim-D5


  • Catalogue No.:PA STI 028840

  • CAS :

    NA

  • 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
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PA STI 051960

α-Hydroxy Trimethoprim-D3 (Impurity)


  • Catalogue No.:PA STI 051960

  • CAS :

    NA

  • 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
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PA STI 080340

Sulfametrole-d4


  • Catalogue No.:PA STI 080340

  • CAS :

    NA

  • 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
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PA STI 080510

Sulfamonomethoxine-d4


  • Catalogue No.:PA STI 080510

  • CAS :

    1286538-12-2

  • Molecular Formula : C11H8D4N4O3S

  • Molecular Weight : 284.33

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
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PA 20 0571000

Methyl 2,4,6-trimethoxybenzoate


  • Catalogue No.:PA 20 0571000

  • CAS :

    29723-28-2

  • Molecular Formula : C11H14O5

  • Molecular Weight : 226.23