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Tartrazine Impurity 1

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Tartrazine Impurity 1

Impurity

CAS Number

104236-31-9

Molecular Formula

C21H13N4O10S3.3Na

Product format

Neat

Molecular Weight

577.53 3*22.99

API Family

Tartrazine

Synonyms

4, 4'-(5-oxo-4-(2-(4-sulfonatophenyl)hydrazono)-4, 5-dihydro-1H-pyrazole-1, 3-diyl)dibenzenesulfonate and sodium salt (1:3)

Iupac Name

trisodium;4-[5-oxo-1-(4-sulfonatophenyl)-4-[(4-sulfonatophenyl)diazenyl]-4H-pyrazol-3-yl]benzenesulfonate

InChI

InChI=1S/C21H16N4O10S3.3Na/c26-21-20(23-22-14-3-9-17(10-4-14)37(30,31)32)19(13-1-7-16(8-2-13)36(27,28)29)24-25(21)15-5-11-18(12-6-15)38(33,34)35;;;/h1-12,20H,(H,27,28,29)(H,30,31,32)(H,33,34,35);;;/q;3*+1/p-3

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Impurity

Our Impurity Characterized Standards portfolio comprises more than 5,000 compounds accompanied by a comprehensive CoA which can be found in 3 product categories that include a set of different analytical techniques for determining Identity and Purity.

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