CAS: 15139-76-1 - disodium 3-ethyl 4,5-dihydro-5-oxo-4-[(4-sulphonato-1-naphthyl)azo]-1-(4-sulphonatophenyl)-1H-pyrazole-3-carboxylate

Formula: C₂₂H₁₆N₄Na₂O₉S₂

InChI: InChI=1S/C22H18N4O9S2.2Na/c1-2-35-22(28)20-19(21(27)26(25-20)13-7-9-14(10-8-13)36(29,30)31)24-23-17-11-12-18(37(32,33)34)16-6-4-3-5-15(16)17;;/h3-12,19H,2H2,1H3,(H,29,30,31)(H,32,33,34);;

InChI key: InChIKey=RUGOWLJUGONEMO-UHFFFAOYSA-N

SMILES: [Na].O=C(OCC)C1=NN(C(=O)C1N=NC2=CC=C(C=3C=CC=CC23)S(=O)(=O)O)C4=CC=C(C=C4)S(=O)(=O)O

Synonyms:

• 1H-Pyrazole-3-carboxylic acid, 4,5-dihydro-5-oxo-4-[(4-sulfo-1-naphthalenyl)azo]-1-(4-sulfophenyl)-, 3-ethyl ester, disodium salt
• 1H-Pyrazole-3-carboxylic acid, 4,5-dihydro-5-oxo-4-[2-(4-sulfo-1-naphthalenyl)diazenyl]-1-(4-sulfophenyl)-, 3-ethyl ester, sodium salt (1:2)
• 2-Pyrazoline-3-carboxylic acid, 5-oxo-4-[(4-sulfo-1-naphthyl)azo]-1-(p-sulfophenyl)-, 3-ethyl ester, disodium salt
• Orange B
• disodium 4-[[3-ethoxycarbonyl-5-oxo-1-(4-sulfonatophenyl)-4H-pyrazol-4-yl]azo]naphthalene-1-sulfonate
• disodium 4-{2-[3-(ethoxycarbonyl)-5-oxo-1-(4-sulfonatophenyl)-1,5-dihydro-4H-pyrazol-4-ylidene]hydrazino}naphthalene-1-sulfonate

Orange B

CAS: 15139-76-1732922-62-2

• Formula: C₂₂H₁₆N₄O₉S₂Na
• Color and Shape: Reddish Brown Solid
• Molecular weight: 544.51 2*22.99

Orange 137

CAS: 15139-76-1

Orange 137 is a peroxidase that has been used in the detection of sweet substances. …

• Purity: Min. 95%