Caffeine-impurities | Pharmaffiliates

caffeine

Caffeine is a central nervous system stimulant of the methylxanthine class. It is used to restore mental alertness or wakefulness during fatigue or drowsiness.. Reference standards of Caffeine API, and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below

stdClass Object
(
    [pname] => Caffeine - Impurity B
    [catalogue_number] => PA 03 04020
    [category_ids] => ,75,76,79,
    [chemical_name] => 
    [weight] => 198.18
    [form] => C7H10N4O3
    [cas] => 7597-60-6
    [pslug] => 7597-60-6-caffeine-impurity-b-pa0304020
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PA 03 04020

Caffeine - Impurity B


  • Catalogue No.:PA 03 04020

  • CAS :

    7597-60-6

  • Molecular Formula : C7H10N4O3

  • Molecular Weight : 198.18

stdClass Object
(
    [pname] => Caffeine - Impurity D
    [catalogue_number] => PA 03 04040
    [category_ids] => ,71,76,75,78,70,82,
    [chemical_name] => 
    [weight] => 180.16
    [form] => C7H8N4O2
    [cas] => 83-67-0
    [pslug] => 83-67-0-caffeine-impurity-d-pa0304040
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PA 03 04040

Caffeine - Impurity D


  • Catalogue No.:PA 03 04040

  • CAS :

    83-67-0

  • Molecular Formula : C7H8N4O2

  • Molecular Weight : 180.16

stdClass Object
(
    [pname] => Caffeine - Impurity F
    [catalogue_number] => PA 03 04060
    [category_ids] => 79,76,75,72,71
    [chemical_name] => 
    [weight] => 180.17
    [form] => C7H8N4O2
    [cas] => 611-59-6
    [pslug] => 611-59-6-caffeine-impurity-f-pa0304060
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PA 03 04060

Caffeine - Impurity F


  • Catalogue No.:PA 03 04060

  • CAS :

    611-59-6

  • Molecular Formula : C7H8N4O2

  • Molecular Weight : 180.17

stdClass Object
(
    [pname] => 7-Methyl-3-methyluric Acid-d3
    [catalogue_number] => PA STI 064490
    [category_ids] => ,98,76,75,78,70,82,
    [chemical_name] => 
    [weight] => 199.18
    [form] => C7H5D3N4O3
    [cas] => 383160-11-0
    [pslug] => 383160-11-0-7-methyl-3-methyluric-acid-d3-pasti064490
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PA STI 064490

7-Methyl-3-methyluric Acid-d3


  • Catalogue No.:PA STI 064490

  • CAS :

    383160-11-0

  • Molecular Formula : C7H5D3N4O3

  • Molecular Weight : 199.18

stdClass Object
(
    [pname] => 3-Methyluric Acid-d3
    [catalogue_number] => PA STI 064820
    [category_ids] => ,71,81,98,76,75,
    [chemical_name] => 
    [weight] => 185.16
    [form] => C6H3D3N4O3
    [cas] => NA
    [pslug] => 3-methyluric-acid-d3-pasti064820
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PA STI 064820

3-Methyluric Acid-d3


  • Catalogue No.:PA STI 064820

  • CAS :

    NA

  • Molecular Formula : C6H3D3N4O3

  • Molecular Weight : 185.16

stdClass Object
(
    [pname] => 4-Amino-5-[(ethoxycarbonyl)amino]-1-methyl-d3 Uracil
    [catalogue_number] => PA STI 006110
    [category_ids] => ,71,76,75,78,70,82,98,
    [chemical_name] => 
    [weight] => 231.22
    [form] => C8H9D3N4O4
    [cas] => 1794768-19-6
    [pslug] => 1794768-19-6-4-amino-5-ethoxycarbonyl-amino-1-methyl-d3-uracil-pasti006110
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PA STI 006110

4-Amino-5-[(ethoxycarbonyl)amino]-1-methyl-d3 Uracil


  • Catalogue No.:PA STI 006110

  • CAS :

    1794768-19-6

  • Molecular Formula : C8H9D3N4O4

  • Molecular Weight : 231.22

stdClass Object
(
    [pname] => 1,7-Dimethyluric Acid-d3
    [catalogue_number] => PA STI 035190
    [category_ids] => ,71,76,75,78,70,82,98,
    [chemical_name] => 
    [weight] => 199.18
    [form] => C7H5D3N4O3
    [cas] => 1189713-08-3
    [pslug] => 1189713-08-3-1-7-dimethyluric-acid-d3-pasti035190
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PA STI 035190

1,7-Dimethyluric Acid-d3


  • Catalogue No.:PA STI 035190

  • CAS :

    1189713-08-3

  • Molecular Formula : C7H5D3N4O3

  • Molecular Weight : 199.18

stdClass Object
(
    [pname] => Paraxanthine-1-methyl-d3
    [catalogue_number] => PA STI 071470
    [category_ids] => ,98,76,75,
    [chemical_name] => 
    [weight] => 183.18
    [form] => C7H5D3N4O2
    [cas] => 188297-90-7
    [pslug] => 188297-90-7-paraxanthine-1-methyl-d3-pasti071470
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PA STI 071470

Paraxanthine-1-methyl-d3


  • Catalogue No.:PA STI 071470

  • CAS :

    188297-90-7

  • Molecular Formula : C7H5D3N4O2

  • Molecular Weight : 183.18

stdClass Object
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    [pname] => Paraxanthine-d3
    [catalogue_number] => PA STI 071480
    [category_ids] => ,98,76,75,
    [chemical_name] => 
    [weight] => 183.18
    [form] => C7H5D3N4O2
    [cas] => 65566-70-3
    [pslug] => 65566-70-3-paraxanthine-d3-pasti071480
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PA STI 071480

Paraxanthine-d3


  • Catalogue No.:PA STI 071480

  • CAS :

    65566-70-3

  • Molecular Formula : C7H5D3N4O2

  • Molecular Weight : 183.18

stdClass Object
(
    [pname] => 6-Amino-5-(N-formyl-N-methyl)-3-methyluracil
    [catalogue_number] => PA 03 04530
    [category_ids] => ,79,71,76,75,85,83,
    [chemical_name] => 
    [weight] => 198.18
    [form] => C7H10N4O3
    [cas] => 55782-76-8
    [pslug] => 55782-76-8-6-amino-5-n-formyl-n-methyl-3-methyluracil-pa0304530
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PA 03 04530

6-Amino-5-(N-formyl-N-methyl)-3-methyluracil


  • Catalogue No.:PA 03 04530

  • CAS :

    55782-76-8

  • Molecular Formula : C7H10N4O3

  • Molecular Weight : 198.18

stdClass Object
(
    [pname] => 1,9-Dimethyluric Acid
    [catalogue_number] => PA 03 0041000
    [category_ids] => ,75,76,78,82,
    [chemical_name] => 
    [weight] => 196.17
    [form] => C7H8N4O3
    [cas] => 55441-62-8
    [pslug] => 55441-62-8-1-9-dimethyluric-acid-pa030041000
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PA 03 0041000

1,9-Dimethyluric Acid


  • Catalogue No.:PA 03 0041000

  • CAS :

    55441-62-8

  • Molecular Formula : C7H8N4O3

  • Molecular Weight : 196.17

stdClass Object
(
    [pname] => 7-Methyl-3-methyluric Acid
    [catalogue_number] => PA 03 0041001
    [category_ids] => ,75,76,78,82,
    [chemical_name] => 
    [weight] => 196.17
    [form] => C7H8N4O3
    [cas] => 13087-49-5
    [pslug] => 13087-49-5-7-methyl-3-methyluric-acid-pa030041001
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PA 03 0041001

7-Methyl-3-methyluric Acid


  • Catalogue No.:PA 03 0041001

  • CAS :

    13087-49-5

  • Molecular Formula : C7H8N4O3

  • Molecular Weight : 196.17

stdClass Object
(
    [pname] => 8-Bromo-1,3,7-trimethylxanthine
    [catalogue_number] => PA 03 0041002
    [category_ids] => ,78,75,76,82,
    [chemical_name] => 
    [weight] => 273.09
    [form] => C8H9BrN4O2
    [cas] => 10381-82-5
    [pslug] => 10381-82-5-8-bromo-1-3-7-trimethylxanthine-pa030041002
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PA 03 0041002

8-Bromo-1,3,7-trimethylxanthine


  • Catalogue No.:PA 03 0041002

  • CAS :

    10381-82-5

  • Molecular Formula : C8H9BrN4O2

  • Molecular Weight : 273.09

stdClass Object
(
    [pname] => Caffeidine Acid
    [catalogue_number] => PA 03 0041003
    [category_ids] => ,78,75,70,76,82,
    [chemical_name] => 
    [weight] => 212.21
    [form] => C8H12N4O3
    [cas] => 54536-15-1
    [pslug] => 54536-15-1-caffeidine-acid-pa030041003
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PA 03 0041003

Caffeidine Acid


  • Catalogue No.:PA 03 0041003

  • CAS :

    54536-15-1

  • Molecular Formula : C8H12N4O3

  • Molecular Weight : 212.21

stdClass Object
(
    [pname] => Caffeine-d3 (1-methyl-d3)
    [catalogue_number] => PA STI 088839
    [category_ids] => ,98,75,76,78,70,82,
    [chemical_name] => 
    [weight] => 197.21
    [form] => C8H7D3N4O2
    [cas] => 26351-03-1
    [pslug] => 26351-03-1-caffeine-d3-1-methyl-d3-pasti088839
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PA STI 088839

Caffeine-d3 (1-methyl-d3)


  • Catalogue No.:PA STI 088839

  • CAS :

    26351-03-1

  • Molecular Formula : C8H7D3N4O2

  • Molecular Weight : 197.21

stdClass Object
(
    [pname] => 5-Acetylamino-6-amino-3-methyluracil Hydrate
    [catalogue_number] => PA 03 0041004
    [category_ids] => ,75,76,78,70,82,
    [chemical_name] => 
    [weight] => 214.18
    [form] => C7H10N4O4
    [cas] => 1196153-01-1
    [pslug] => 1196153-01-1-5-acetylamino-6-amino-3-methyluracil-hydrate-pa030041004
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PA 03 0041004

5-Acetylamino-6-amino-3-methyluracil Hydrate


  • Catalogue No.:PA 03 0041004

  • CAS :

    1196153-01-1

  • Molecular Formula : C7H10N4O4

  • Molecular Weight : 214.18

stdClass Object
(
    [pname] => 2-Amino-9-((2R,3R,4S,5R)-3,4-dihydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl)-1,7-dimethyl-6-oxo-6,9-dihydro-1H-purin-7-ium Methyl Sulfate
    [catalogue_number] => PAI 03 004003
    [category_ids] => ,75,76,78,70,82,
    [chemical_name] => 
    [weight] => 423.4
    [form] => C13H21N5O9S
    [cas] => 78990-20-2
    [pslug] => 78990-20-2-2-amino-9-2r-3r-4s-5r-3-4-dihydroxy-5-hydroxymethyl-tetrahydrofuran-2-yl-1-7-dimethyl-6-oxo-6-9-dihydro-1h-purin-7-ium-methyl-sulfate-pai03004003
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PAI 03 004003

2-Amino-9-((2R,3R,4S,5R)-3,4-dihydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl)-1,7-dimethyl-6-oxo-6,9-dihydro-1H-purin-7-ium Methyl Sulfate


  • Catalogue No.:PAI 03 004003

  • CAS :

    78990-20-2

  • Molecular Formula : C13H21N5O9S

  • Molecular Weight : 423.4

stdClass Object
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    [pname] => 2-Amino-1,7-dimethyl-1,7-dihydro-6H-purin-6-one
    [catalogue_number] => PAI 03 004002
    [category_ids] => ,75,76,78,70,82,
    [chemical_name] => 
    [weight] => 179.18
    [form] => C7H9N5O
    [cas] => 26758-00-9
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PAI 03 004002

2-Amino-1,7-dimethyl-1,7-dihydro-6H-purin-6-one


  • Catalogue No.:PAI 03 004002

  • CAS :

    26758-00-9

  • Molecular Formula : C7H9N5O

  • Molecular Weight : 179.18

stdClass Object
(
    [pname] => N1-Methylguanosine
    [catalogue_number] => PAI 03 004001
    [category_ids] => ,75,76,78,70,82,
    [chemical_name] => 
    [weight] => 297.27
    [form] => C11H15N5O5
    [cas] => 2140-65-0
    [pslug] => 2140-65-0-n1-methylguanosine-pai03004001
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PAI 03 004001

N1-Methylguanosine


  • Catalogue No.:PAI 03 004001

  • CAS :

    2140-65-0

  • Molecular Formula : C11H15N5O5

  • Molecular Weight : 297.27