Theophylline-impurities | Pharmaffiliates

theophylline

A methyl xanthine derivative, Theophylline is used in the treatment of chronic obstructive pulmonary disease (COPD) and asthma .A competitive nonselective phosphodiesterase inhibitor, Theohylline is found naturally in cocoa plant.Reference standards of Theophylline API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.

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    [pname] => Theophylline - Impurity C
    [catalogue_number] => PA 20 25030
    [category_ids] => 79,76,75
    [chemical_name] => 
    [weight] => 198.18
    [form] => C7H10N4O3
    [cas] => 7597-60-6
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PA 20 25030

Theophylline - Impurity C


  • Catalogue No.:PA 20 25030

  • CAS :

    7597-60-6

  • Molecular Formula : C7H10N4O3

  • Molecular Weight : 198.18

20% OFF
stdClass Object
(
    [pname] => Theophylline - Impurity E
    [catalogue_number] => PA 20 25050
    [category_ids] => ,71,76,75,78,70,82,
    [chemical_name] => 
    [weight] => 196.16
    [form] => C7H8N4O3
    [cas] => 944-73-0
    [pslug] => 944-73-0-theophylline-impurity-e-pa2025050
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PA 20 25050

Theophylline - Impurity E


  • Catalogue No.:PA 20 25050

  • CAS :

    944-73-0

  • Molecular Formula : C7H8N4O3

  • Molecular Weight : 196.16

stdClass Object
(
    [pname] => 1-Methyl Xanthine
    [catalogue_number] => PA 20 25510
    [category_ids] => ,71,76,75,85,83,
    [chemical_name] => 
    [weight] => 166.14
    [form] => C6H6N4O2
    [cas] => 6136-37-4
    [pslug] => 6136-37-4-1-methyl-xanthine-pa2025510
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PA 20 25510

1-Methyl Xanthine


  • Catalogue No.:PA 20 25510

  • CAS :

    6136-37-4

  • Molecular Formula : C6H6N4O2

  • Molecular Weight : 166.14

stdClass Object
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    [pname] => 7-Methyl Xanthine
    [catalogue_number] => PA 20 25520
    [category_ids] => ,71,76,75,85,83,
    [chemical_name] => 
    [weight] => 166.14
    [form] => C6H6N4O2
    [cas] => 552-62-5
    [pslug] => 552-62-5-7-methyl-xanthine-pa2025520
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PA 20 25520

7-Methyl Xanthine


  • Catalogue No.:PA 20 25520

  • CAS :

    552-62-5

  • Molecular Formula : C6H6N4O2

  • Molecular Weight : 166.14

stdClass Object
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    [pname] => 1-Methyluric Acid 
    [catalogue_number] => PA 20 25540
    [category_ids] => ,71,76,75,85,83,
    [chemical_name] => 
    [weight] => 182.14
    [form] => C6H6N4O3
    [cas] => 708-79-2
    [pslug] => 708-79-2-1-methyluric-acid-pa2025540
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PA 20 25540

1-Methyluric Acid


  • Catalogue No.:PA 20 25540

  • CAS :

    708-79-2

  • Molecular Formula : C6H6N4O3

  • Molecular Weight : 182.14

stdClass Object
(
    [pname] => 1-Methyluric Acid-d3
    [catalogue_number] => PA STI 064800
    [category_ids] => ,71,98,76,75,
    [chemical_name] => 
    [weight] => 185.16
    [form] => C6H3D3N4O3
    [cas] => 1189480-64-5
    [pslug] => 1189480-64-5-1-methyluric-acid-d3-pasti064800
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PA STI 064800

1-Methyluric Acid-d3


  • Catalogue No.:PA STI 064800

  • CAS :

    1189480-64-5

  • Molecular Formula : C6H3D3N4O3

  • Molecular Weight : 185.16

stdClass Object
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    [pname] => 1-Bromoethyl Acetate
    [catalogue_number] => PA 20 0251000
    [category_ids] => ,75,76,70,78,82,
    [chemical_name] => 
    [weight] => 167
    [form] => C4H7BrO2
    [cas] => 40258-78-4
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PA 20 0251000

1-Bromoethyl Acetate


  • Catalogue No.:PA 20 0251000

  • CAS :

    40258-78-4

  • Molecular Formula : C4H7BrO2

  • Molecular Weight : 167

stdClass Object
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    [pname] => 2-Bromoethyl Acetate
    [catalogue_number] => PA 20 0251001
    [category_ids] => ,75,76,70,78,82,
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    [weight] => 167
    [form] => C4H7BrO2
    [cas] => 927-68-4
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PA 20 0251001

2-Bromoethyl Acetate


  • Catalogue No.:PA 20 0251001

  • CAS :

    927-68-4

  • Molecular Formula : C4H7BrO2

  • Molecular Weight : 167

stdClass Object
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    [pname] => Ethyl (Z)-3-acetoxybut-2-enoate
    [catalogue_number] => PA 20 0251002
    [category_ids] => ,75,76,78,70,82,
    [chemical_name] => 
    [weight] => 172.18
    [form] => C8H12O4
    [cas] => 29214-62-8
    [pslug] => 29214-62-8-ethyl-z-3-acetoxybut-2-enoate-pa200251002
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PA 20 0251002

Ethyl (Z)-3-acetoxybut-2-enoate


  • Catalogue No.:PA 20 0251002

  • CAS :

    29214-62-8

  • Molecular Formula : C8H12O4

  • Molecular Weight : 172.18

stdClass Object
(
    [pname] => N-Methyl-5-(methylamino)-1H-imidazole-4-carboxamide hydrochloride monohydrate
    [catalogue_number] => PA 20 0251003
    [category_ids] => 93,76,75,71,70,78,80,82
    [chemical_name] => 
    [weight] => 208.65
    [form] => C6H13ClN4O2
    [cas] => NA
    [pslug] => n-methyl-5-methylamino-1h-imidazole-4-carboxamide-hydrochloride-monohydrate-pa200251003
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PA 20 0251003

N-Methyl-5-(methylamino)-1H-imidazole-4-carboxamide hydrochloride monohydrate


  • Catalogue No.:PA 20 0251003

  • CAS :

    NA

  • Molecular Formula : C6H13ClN4O2

  • Molecular Weight : 208.65

stdClass Object
(
    [pname] => 1,3-Dimethyl-2,6-dioxo-2,3,6,7-tetrahydro-1H-purine-8-sulfonic Acid
    [catalogue_number] => PA 20 0251004
    [category_ids] => ,75,76,78,70,82,
    [chemical_name] => 
    [weight] => 260.22
    [form] => C7H8N4O5S
    [cas] => 5270-31-5
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PA 20 0251004

1,3-Dimethyl-2,6-dioxo-2,3,6,7-tetrahydro-1H-purine-8-sulfonic Acid


  • Catalogue No.:PA 20 0251004

  • CAS :

    5270-31-5

  • Molecular Formula : C7H8N4O5S

  • Molecular Weight : 260.22

stdClass Object
(
    [pname] => 1,3-Dimethyl-9-nitroso-3,9-dihydro-1H-purine-2,6-dione
    [catalogue_number] => PA 20 0251005
    [category_ids] => ,70,75,76,78,82,162,
    [chemical_name] => 
    [weight] => 209.17
    [form] => C7H7N5O3
    [cas] => NA
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PA 20 0251005

1,3-Dimethyl-9-nitroso-3,9-dihydro-1H-purine-2,6-dione


  • Catalogue No.:PA 20 0251005

  • CAS :

    NA

  • Molecular Formula : C7H7N5O3

  • Molecular Weight : 209.17

stdClass Object
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    [pname] => N-(6-Amino-1,3-dimethyl-2,4-dioxo-1,2,3,4-tetrahydropyrimidin-5-yl)-N-nitrosoformamide
    [catalogue_number] => PA 20 0251006
    [category_ids] => ,70,75,76,78,82,162,
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    [weight] => 227.18
    [form] => C7H9N5O4
    [cas] => NA
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PA 20 0251006

N-(6-Amino-1,3-dimethyl-2,4-dioxo-1,2,3,4-tetrahydropyrimidin-5-yl)-N-nitrosoformamide


  • Catalogue No.:PA 20 0251006

  • CAS :

    NA

  • Molecular Formula : C7H9N5O4

  • Molecular Weight : 227.18

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    [pname] => 1,3-Dimethyl-7-nitroso-3,7-dihydro-1H-purine-2,6-dione
    [catalogue_number] => PA 20 0251007
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    [weight] => 209.17
    [form] => C7H7N5O3
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PA 20 0251007

1,3-Dimethyl-7-nitroso-3,7-dihydro-1H-purine-2,6-dione


  • Catalogue No.:PA 20 0251007

  • CAS :

    NA

  • Molecular Formula : C7H7N5O3

  • Molecular Weight : 209.17