theophylline

Fine Chemicals - 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.

stdClass Object
(
    [pname] => Theophylline
    [catalogue_number] => PA 20 25000
    [category_ids] => ,71,85,83,78,70,82,
    [chemical_name] => 
    [weight] => 180.16
    [form] => C7H8N4O2
    [cas] => 58-55-9
    [pslug] => 58-55-9-theophylline-api-pa2025000
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PA 20 25000
PA 20 25000

Theophylline


  • Catalogue No.:PA 20 25000

  • CAS :

    58-55-9

  • Molecular Formula : C7H8N4O2

  • Molecular Weight : 180.16

stdClass Object
(
    [pname] => Theophylline - Impurity A
    [catalogue_number] => PA 20 25010
    [category_ids] => ,79,71,78,70,82,
    [chemical_name] => 
    [weight] => 194.19
    [form] => C8H10N4O2
    [cas] => 58-08-2
    [pslug] => 58-08-2-theophylline-impurity-a-pa2025010
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PA 20 25010
PA 20 25010

Theophylline - Impurity A


  • Catalogue No.:PA 20 25010

  • CAS :

    58-08-2

  • Molecular Formula : C8H10N4O2

  • Molecular Weight : 194.19

stdClass Object
(
    [pname] => Theophylline - Impurity B
    [catalogue_number] => PA 20 25020
    [category_ids] => ,71,85,83,78,70,82,
    [chemical_name] => 
    [weight] => 166.14
    [form] => C6H6N4O2
    [cas] => 1076-22-8
    [pslug] => 1076-22-8-theophylline-impurity-b-pa2025020
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PA 20 25020
PA 20 25020

Theophylline - Impurity B


  • Catalogue No.:PA 20 25020

  • CAS :

    1076-22-8

  • Molecular Formula : C6H6N4O2

  • Molecular Weight : 166.14

stdClass Object
(
    [pname] => Theophylline - Impurity D (Hydrochloride Salt)
    [catalogue_number] => PA 20 25040
    [category_ids] => ,85,83,71,82,78,70,
    [chemical_name] => 
    [weight] => 190.63
    [form] => C6H11ClN4O
    [cas] => 116131-08-9
    [pslug] => 116131-08-9-theophylline-impurity-d-hydrochloride-salt-pa2025040
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PA 20 25040
PA 20 25040

Theophylline - Impurity D (Hydrochloride Salt)


  • Catalogue No.:PA 20 25040

  • CAS :

    116131-08-9

  • Molecular Formula : C6H11ClN4O

  • Molecular Weight : 190.63

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
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] => Theophylline - Impurity F
    [catalogue_number] => PA 20 25060
    [category_ids] => ,85,83,82,78,70,
    [chemical_name] => 
    [weight] => 224.22
    [form] => C9H12N4O3
    [cas] => 519-37-9
    [pslug] => 519-37-9-theophylline-impurity-f-pa2025060
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PA 20 25060
PA 20 25060

Theophylline - Impurity F


  • Catalogue No.:PA 20 25060

  • CAS :

    519-37-9

  • Molecular Formula : C9H12N4O3

  • Molecular Weight : 224.22

stdClass Object
(
    [pname] => Theophylline-1,3-15N2,13C
    [catalogue_number] => PA STI 082610
    [category_ids] => ,71,85,83,78,70,82,98,
    [chemical_name] => 
    [weight] => 183.14
    [form] => C613CH8N215N2O2
    [cas] => 1246816-25-0
    [pslug] => 1246816-25-0-theophylline-1-3-15n2-13c-pasti082610
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PA STI 082610
PA STI 082610

Theophylline-1,3-15N2,13C


  • Catalogue No.:PA STI 082610

  • CAS :

    1246816-25-0

  • Molecular Formula : C613CH8N215N2O2

  • Molecular Weight : 183.14

stdClass Object
(
    [pname] => Theophylline-d6
    [catalogue_number] => PA STI 082620
    [category_ids] => ,71,85,83,78,70,82,98,
    [chemical_name] => 
    [weight] => 186.20
    [form] => C7H2D6N4O2
    [cas] => 117490-39-8
    [pslug] => 117490-39-8-theophylline-d6-pasti082620
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PA STI 082620
PA STI 082620

Theophylline-d6


  • Catalogue No.:PA STI 082620

  • CAS :

    117490-39-8

  • Molecular Formula : C7H2D6N4O2

  • Molecular Weight : 186.20

stdClass Object
(
    [pname] => Theophylline-13C2d6
    [catalogue_number] => PA STI 082630
    [category_ids] => ,71,85,83,78,70,82,98,
    [chemical_name] => 
    [weight] => 188.19
    [form] => C513C2H2D6N4O2
    [cas] => 1782458-84-7
    [pslug] => 1782458-84-7-theophylline-13c2d6-pasti082630
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PA STI 082630
PA STI 082630

Theophylline-13C2d6


  • Catalogue No.:PA STI 082630

  • CAS :

    1782458-84-7

  • Molecular Formula : C513C2H2D6N4O2

  • Molecular Weight : 188.19

stdClass Object
(
    [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
    [pslug] => 40258-78-4-1-bromoethyl-acetate-pa200251000
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PA 20 0251000
PA 20 0251000

1-Bromoethyl Acetate


  • Catalogue No.:PA 20 0251000

  • CAS :

    40258-78-4

  • Molecular Formula : C4H7BrO2

  • Molecular Weight : 167

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

2-Bromoethyl Acetate


  • Catalogue No.:PA 20 0251001

  • CAS :

    927-68-4

  • Molecular Formula : C4H7BrO2

  • Molecular Weight : 167

stdClass Object
(
    [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
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] => 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
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
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    [pname] => 1,3-Dimethyl-9-nitroso-3,9-dihydro-1H-purine-2,6-dione
    [catalogue_number] => PA 20 0251005
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    [weight] => 209.17
    [form] => C7H7N5O3
    [cas] => NA
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PA 20 0251005
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
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    [weight] => 227.18
    [form] => C7H9N5O4
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PA 20 0251006
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

stdClass Object
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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
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

stdClass Object
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    [pname] => 8-Methylxanthine
    [catalogue_number] => PA 20 0251008
    [category_ids] => ,78,70,82,
    [chemical_name] => 
    [weight] => 166.14
    [form] => C6H6N4O2
    [cas] => 17338-96-4
    [pslug] => 17338-96-4-8-methylxanthine-pa200251008
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PA 20 0251008
PA 20 0251008

8-Methylxanthine


  • Catalogue No.:PA 20 0251008

  • CAS :

    17338-96-4

  • Molecular Formula : C6H6N4O2

  • Molecular Weight : 166.14

stdClass Object
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    [pname] => N-Methyl-5-(methyl(nitroso)amino)-1H-imidazole-4-carboxamide
    [catalogue_number] => PA 20 0251009
    [category_ids] => ,78,70,82,
    [chemical_name] => 
    [weight] => 183.17
    [form] => C6H9N5O2
    [cas] => NA
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PA 20 0251009
PA 20 0251009

N-Methyl-5-(methyl(nitroso)amino)-1H-imidazole-4-carboxamide


  • Catalogue No.:PA 20 0251009

  • CAS :

    NA

  • Molecular Formula : C6H9N5O2

  • Molecular Weight : 183.17

stdClass Object
(
    [pname] => Theophylline - Impurity D (Freebase)
    [catalogue_number] => PA 20 0250040
    [category_ids] => ,85,83,82,78,71,70,
    [chemical_name] => 
    [weight] => 154.17
    [form] => C6H10N4O
    [cas] => 6736-40-9
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PA 20 0250040
PA 20 0250040

Theophylline - Impurity D (Freebase)


  • Catalogue No.:PA 20 0250040

  • CAS :

    6736-40-9

  • Molecular Formula : C6H10N4O

  • Molecular Weight : 154.17

stdClass Object
(
    [pname] => 1,7-Dimethyluric Acid
    [catalogue_number] => PA 20 0251010
    [category_ids] => ,71,76,75,78,70,82,
    [chemical_name] => 
    [weight] => 196.17
    [form] => C7H8N4O3
    [cas] => 33868-03-0
    [pslug] => 33868-03-0-1-7-dimethyluric-acid-pa200251010
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PA 20 0251010
PA 20 0251010

1,7-Dimethyluric Acid


  • Catalogue No.:PA 20 0251010

  • CAS :

    33868-03-0

  • Molecular Formula : C7H8N4O3

  • Molecular Weight : 196.17

stdClass Object
(
    [pname] => Theophylline - Impurity D (Hydrochloride Monohydrate Salt)
    [catalogue_number] => PA 20 0250041
    [category_ids] => ,71,85,83,78,70,82,
    [chemical_name] => 
    [weight] => 208.65
    [form] => C6H13ClN4O2
    [cas] => NA
    [pslug] => theophylline-impurity-d-hydrochloride-monohydrate-salt-pa200250041
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PA 20 0250041
PA 20 0250041

Theophylline - Impurity D (Hydrochloride Monohydrate Salt)


  • Catalogue No.:PA 20 0250041

  • CAS :

    NA

  • Molecular Formula : C6H13ClN4O2

  • Molecular Weight : 208.65

stdClass Object
(
    [pname] => 7-(2-Aminoethyl)theophylline
    [catalogue_number] => PA 20 0251011
    [category_ids] => ,71,85,83,78,70,82,
    [chemical_name] => 
    [weight] => 223.24
    [form] => C9H13N5O2
    [cas] => 35206-02-1
    [pslug] => 35206-02-1-7-2-aminoethyl-theophylline-pa200251011
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PA 20 0251011
PA 20 0251011

7-(2-Aminoethyl)theophylline


  • Catalogue No.:PA 20 0251011

  • CAS :

    35206-02-1

  • Molecular Formula : C9H13N5O2

  • Molecular Weight : 223.24

stdClass Object
(
    [pname] => 7-(2-((3,4-Dihydroxyphenethyl)amino)ethyl)-1,3-dimethyl-3,7-dihydro-1H-purine-2,6-dione Hydrochloride
    [catalogue_number] => PA 20 0251012
    [category_ids] => ,71,85,83,78,70,82,
    [chemical_name] => 
    [weight] => 395.84
    [form] => C17H22ClN5O4
    [cas] => 62932-01-8
    [pslug] => 62932-01-8-7-2-3-4-dihydroxyphenethyl-amino-ethyl-1-3-dimethyl-3-7-dihydro-1h-purine-2-6-dione-hydrochloride-pa200251012
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PA 20 0251012
PA 20 0251012

7-(2-((3,4-Dihydroxyphenethyl)amino)ethyl)-1,3-dimethyl-3,7-dihydro-1H-purine-2,6-dione Hydrochloride


  • Catalogue No.:PA 20 0251012

  • CAS :

    62932-01-8

  • Molecular Formula : C17H22ClN5O4

  • Molecular Weight : 395.84

stdClass Object
(
    [pname] => N-(5-Amino-1,3-dimethyl-2,6-dioxo-1,2,3,6-tetrahydropyrimidin-4-yl)-N-nitrosoformamide
    [catalogue_number] => PA 20 0251013
    [category_ids] => ,78,70,82,162,
    [chemical_name] => 
    [weight] => 227.18
    [form] => C7H9N5O4
    [cas] => NA
    [pslug] => n-5-amino-1-3-dimethyl-2-6-dioxo-1-2-3-6-tetrahydropyrimidin-4-yl-n-nitrosoformamide-pa200251013
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PA 20 0251013
PA 20 0251013

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


  • Catalogue No.:PA 20 0251013

  • CAS :

    NA

  • Molecular Formula : C7H9N5O4

  • Molecular Weight : 227.18

stdClass Object
(
    [pname] => 1-(3,5-Dibromo-2-chlorophenyl)ethan-1-one
    [catalogue_number] => PA 20 0251014
    [category_ids] => ,71,85,83,78,70,82,
    [chemical_name] => 
    [weight] => 312.39
    [form] => C8H5Br2ClO
    [cas] => 113523-00-5
    [pslug] => 113523-00-5-1-3-5-dibromo-2-chlorophenyl-ethan-1-one-pa200251014
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PA 20 0251014
PA 20 0251014

1-(3,5-Dibromo-2-chlorophenyl)ethan-1-one


  • Catalogue No.:PA 20 0251014

  • CAS :

    113523-00-5

  • Molecular Formula : C8H5Br2ClO

  • Molecular Weight : 312.39

stdClass Object
(
    [pname] => 7-(Hydroxymethyl)-1,3-dimethyl-3,7-dihydro-1H-purine-2,6-dione
    [catalogue_number] => PA 20 0251015
    [category_ids] => ,71,85,83,78,70,82,
    [chemical_name] => 
    [weight] => 210.19
    [form] => C8H10N4O3
    [cas] => 31542-43-5
    [pslug] => 31542-43-5-7-hydroxymethyl-1-3-dimethyl-3-7-dihydro-1h-purine-2-6-dione-pa200251015
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PA 20 0251015
PA 20 0251015

7-(Hydroxymethyl)-1,3-dimethyl-3,7-dihydro-1H-purine-2,6-dione


  • Catalogue No.:PA 20 0251015

  • CAS :

    31542-43-5

  • Molecular Formula : C8H10N4O3

  • Molecular Weight : 210.19

stdClass Object
(
    [pname] => 9-(2,3-Dihydroxypropyl)-1,3-dimethyl-3,9-dihydro-1H-purine-2,6-dione
    [catalogue_number] => PA 20 0251016
    [category_ids] => ,78,70,82,
    [chemical_name] => 
    [weight] => 254.25
    [form] => C10H14N4O4
    [cas] => 180262-60-6
    [pslug] => 180262-60-6-9-2-3-dihydroxypropyl-1-3-dimethyl-3-9-dihydro-1h-purine-2-6-dione-pa200251016
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PA 20 0251016
PA 20 0251016

9-(2,3-Dihydroxypropyl)-1,3-dimethyl-3,9-dihydro-1H-purine-2,6-dione


  • Catalogue No.:PA 20 0251016

  • CAS :

    180262-60-6

  • Molecular Formula : C10H14N4O4

  • Molecular Weight : 254.25

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