tartrazine
An azo dye used as a food coloring agent.Reference standards of Tartrazine API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.
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[pname] => Tartrazine
[catalogue_number] => PA 47 38000
[category_ids] => ,80,71,78,70,82,88,
[chemical_name] =>
[weight] => 534.36
[form] => C16H9N4Na3O9S2
[cas] => 1934-21-0
[pslug] => 1934-21-0-tartrazine-api-pa4738000
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Catalogue No.:PA 47 38000
Molecular Formula : C16H9N4Na3O9S2
Molecular Weight : 534.36
stdClass Object
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[pname] => 4,4'-Diazoaminodibenzenesulfonic Acid Disodium Salt
[catalogue_number] => PA 47 0381001
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[chemical_name] =>
[weight] => 403.33
[form] => C12H11N3Na2O6S2
[cas] => 56120-28-6
[pslug] => 56120-28-6-4-4-diazoaminodibenzenesulfonic-acid-disodium-salt-pa470381001
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4,4'-Diazoaminodibenzenesulfonic Acid Disodium Salt
Catalogue No.:PA 47 0381001
Molecular Formula : C12H11N3Na2O6S2
Molecular Weight : 403.33
stdClass Object
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[pname] => Sodium 4,4'-(5-oxo-4-(2-(4-sulfonatophenyl)hydrazineylidene)-4,5-dihydro-1H-pyrazole-1,3-diyl)dibenzenesulfonate
[catalogue_number] => PA 47 0381002
[category_ids] => ,78,70,82,88,
[chemical_name] =>
[weight] => 646.5
[form] => C21H13N4Na3O10S3
[cas] => 104236-31-9
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Sodium 4,4'-(5-oxo-4-(2-(4-sulfonatophenyl)hydrazineylidene)-4,5-dihydro-1H-pyrazole-1,3-diyl)dibenzenesulfonate
stdClass Object
(
[pname] => 4-(2-(4',5-Disulfo-[1,1'-biphenyl]-2-yl)hydrazineylidene)-5-oxo-1-(4-sulfophenyl)-4,5-dihydro-1H-pyrazole-3-carboxylic Acid
[catalogue_number] => PA 47 0381003
[category_ids] => ,78,70,82,88,
[chemical_name] =>
[weight] => 624.57
[form] => C22H16N4O12S3
[cas] => 750530-77-9
[pslug] => 750530-77-9-4-2-4-5-disulfo-1-1-biphenyl-2-yl-hydrazineylidene-5-oxo-1-4-sulfophenyl-4-5-dihydro-1h-pyrazole-3-carboxylic-acid-pa470381003
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4-(2-(4',5-Disulfo-[1,1'-biphenyl]-2-yl)hydrazineylidene)-5-oxo-1-(4-sulfophenyl)-4,5-dihydro-1H-pyrazole-3-carboxylic Acid
Catalogue No.:PA 47 0381003
Molecular Formula : C22H16N4O12S3
Molecular Weight : 624.57
stdClass Object
(
[pname] => 4-(2-(3-(Methoxycarbonyl)-5-oxo-1-(4-sulfophenyl)-1,5-dihydro-4H-pyrazol-4-ylidene)hydrazineyl)benzenesulfonic Acid
[catalogue_number] => PA 47 0381004
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[chemical_name] =>
[weight] => 482.44
[form] => C17H14N4O9S2
[cas] => 791545-81-8
[pslug] => 791545-81-8-4-2-3-methoxycarbonyl-5-oxo-1-4-sulfophenyl-1-5-dihydro-4h-pyrazol-4-ylidene-hydrazineyl-benzenesulfonic-acid-pa470381004
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4-(2-(3-(Methoxycarbonyl)-5-oxo-1-(4-sulfophenyl)-1,5-dihydro-4H-pyrazol-4-ylidene)hydrazineyl)benzenesulfonic Acid
Catalogue No.:PA 47 0381004
Molecular Formula : C17H14N4O9S2
Molecular Weight : 482.44
stdClass Object
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[pname] => Sodium 5-oxo-1-phenyl-4-((4-sulfonatophenyl)diazenyl)-4,5-dihydro-1H-pyrazole-3-carboxylate
[catalogue_number] => PA 47 0381005
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[chemical_name] =>
[weight] => 432.32
[form] => C16H10N4Na2O6S
[cas] => 104236-33-1
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Sodium 5-oxo-1-phenyl-4-((4-sulfonatophenyl)diazenyl)-4,5-dihydro-1H-pyrazole-3-carboxylate
Catalogue No.:PA 47 0381005
Molecular Formula : C16H10N4Na2O6S
Molecular Weight : 432.32
stdClass Object
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[pname] => Sodium 5-oxo-4-(phenyldiazenyl)-1-(4-sulfonatophenyl)-4,5-dihydro-1H-pyrazole-3-carboxylate
[catalogue_number] => PA 47 0381006
[category_ids] => ,78,70,82,88,
[chemical_name] =>
[weight] => 432.32
[form] => C16H10N4Na2O6S
[cas] => 1934-22-1
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Sodium 5-oxo-4-(phenyldiazenyl)-1-(4-sulfonatophenyl)-4,5-dihydro-1H-pyrazole-3-carboxylate
Catalogue No.:PA 47 0381006
Molecular Formula : C16H10N4Na2O6S
Molecular Weight : 432.32