CAS RN 1934-21-0
CAS RN 1934-21-0
Thermo Scientific Chemicals Tartrazine, 89%, pure
CAS: 1934-21-0 Molecular Formula: C16H9N4Na3O9S2 Molecular Weight (g/mol): 534.35 MDL Number: MFCD00148908 InChI Key: UJMBCXLDXJUMFB-UHFFFAOYSA-K Synonym: tartrazine,yellow 5,aizen tartrazine,trisodium salt,food yellow 4,tartrazine FD&C yellow #5,c.i. acid yellow 23,atul tartrazine,erio tartrazine,kako tartrazine PubChem CID: 164825 IUPAC Name: trisodium;5-oxo-1-(4-sulfonatophenyl)-4-[(4-sulfonatophenyl)diazenyl]-4H-pyrazole-3-carboxylate SMILES: C1=CC(=CC=C1N=NC2C(=NN(C2=O)C3=CC=C(C=C3)S(=O)(=O)[O-])C(=O)[O-])S(=O)(=O)[O-].[Na+].[Na+].[Na+]

Tartrazine
CAS: 1934-21-0 Molecular Formula: C16H9N4Na3O9S2 Molecular Weight (g/mol): 534.356 MDL Number: MFCD00148908 InChI Key: UJMBCXLDXJUMFB-UHFFFAOYSA-K Synonym: tartrazine,yellow 5,aizen tartrazine,trisodium salt,food yellow 4,tartrazine FD&C yellow #5,c.i. acid yellow 23,atul tartrazine,erio tartrazine,kako tartrazine PubChem CID: 164825 IUPAC Name: trisodium;5-oxo-1-(4-sulfonatophenyl)-4-[(4-sulfonatophenyl)diazenyl]-4H-pyrazole-3-carboxylate SMILES: C1=CC(=CC=C1N=NC2C(=NN(C2=O)C3=CC=C(C=C3)S(=O)(=O)[O-])C(=O)[O-])S(=O)(=O)[O-].[Na+].[Na+].[Na+]
FD and C Yellow No. 5, Spectrum™ Chemical

CAS: 1934-21-0 Molecular Formula: C16H9N4Na3O9S2 Molecular Weight (g/mol): 534.36 InChI Key: UJMBCXLDXJUMFB-UHFFFAOYNA-K IUPAC Name: trisodium 5-oxo-1-(4-sulfonatophenyl)-4-[2-(4-sulfonatophenyl)diazen-1-yl]-4,5-dihydro-1H-pyrazole-3-carboxylate SMILES: [Na+].[Na+].[Na+].[O-]C(=O)C1=NN(C(=O)C1N=NC1=CC=C(C=C1)S([O-])(=O)=O)C1=CC=C(C=C1)S([O-])(=O)=O
Tartrazine, ≥99% (HPLC), MilliporeSigma™ Supelco™
Tartrazine is a synthetic azo dye, commonly found in drugs, food products and cosmetics. It can be synthesized by the reaction of sulfanilic acid with 3-carboxy-l-(4-sulfophenyl)-5-pyrazolone.
Acid Yellow 23 98.0+%, TCI America™

CAS: 1934-21-0 Molecular Formula: C16H9N4Na3O9S2 Molecular Weight (g/mol): 534.356 MDL Number: MFCD00148908 InChI Key: UJMBCXLDXJUMFB-UHFFFAOYSA-K Synonym: tartrazine,yellow 5,aizen tartrazine,trisodium salt,food yellow 4,tartrazine fd&c yellow #5,c.i. acid yellow 23,atul tartrazine,erio tartrazine,kako tartrazine PubChem CID: 164825 IUPAC Name: trisodium;5-oxo-1-(4-sulfonatophenyl)-4-[(4-sulfonatophenyl)diazenyl]-4H-pyrazole-3-carboxylate SMILES: C1=CC(=CC=C1N=NC2C(=NN(C2=O)C3=CC=C(C=C3)S(=O)(=O)[O-])C(=O)[O-])S(=O)(=O)[O-].[Na+].[Na+].[Na+]
Food Yellow No. 4, TCI America™

CAS: 1934-21-0 Molecular Formula: C16H9N4Na3O9S2 Molecular Weight (g/mol): 534.356 MDL Number: MFCD00148908 InChI Key: UJMBCXLDXJUMFB-UHFFFAOYSA-K PubChem CID: 164825 IUPAC Name: trisodium;5-oxo-1-(4-sulfonatophenyl)-4-[(4-sulfonatophenyl)diazenyl]-4H-pyrazole-3-carboxylate SMILES: C1=CC(=CC=C1N=NC2C(=NN(C2=O)C3=CC=C(C=C3)S(=O)(=O)[O-])C(=O)[O-])S(=O)(=O)[O-].[Na+].[Na+].[Na+]