Catalogue Number: | T-896 |
Compound Name: | Tartrazine Impurity 4 |
Synonyms: | 4-((3-(methoxycarbonyl)-5-oxo-1-(4-sulfophenyl)-4,5-dihydro-1H-pyrazol-4-yl)diazenyl)benzenesulfonic acid compound with 4-(2-(3-(methoxycarbonyl)-5-oxo-1-(4-sulfophenyl)-1,5-dihydro-4H-pyrazol-4-ylidene)hydrazinyl)benzenesulfonic acid |
CAS#: | 791545-81-8 (hydrazone form) |
Alternate CAS#: | 1042222-65-0 (azo form) |
Molecular Formula: | C17H12N4O9S2 |
Molecular Weight: | 482.44 |