2,2′-(1,2-Ethenediyl)bis[5-[2-(4-hydroxyphenyl)diazenyl]benzenesulfonic acid]
CAS Registry Number®
91-34-9
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CAS Name
2,2′-(1,2-Ethenediyl)bis[5-[2-(4-hydroxyphenyl)diazenyl]benzenesulfonic acid]Molecular Formula
C26H20N4O8S2Molecular Mass
580.59Cite this Page
2,2′-(1,2-Ethenediyl)bis[5-[2-(4-hydroxyphenyl)diazenyl]benzenesulfonic acid]. CAS Common Chemistry. CAS, a division of the American Chemical Society, n.d. http://commonchemistry.cas.org/detail?cas_rn=91-34-9 (retrieved ) (CAS RN: 91-34-9). Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).Other Names and Identifiers
InChI
InChI=1S/C26H20N4O8S2/c31-23-11-7-19(8-12-23)27-29-21-5-3-17(25(15-21)39(33,34)35)1-2-18-4-6-22(16-26(18)40(36,37)38)30-28-20-9-13-24(32)14-10-20/h1-16,31-32H,(H,33,34,35)(H,36,37,38)
InChIKey
InChIKey=HNJRBCJUHORNHV-UHFFFAOYSA-N
SMILES
C(=CC1=C(S(=O)(=O)O)C=C(N=NC2=CC=C(O)C=C2)C=C1)C3=C(S(=O)(=O)O)C=C(N=NC4=CC=C(O)C=C4)C=C3
Canonical SMILES
O=S(=O)(O)C1=CC(N=NC2=CC=C(O)C=C2)=CC=C1C=CC3=CC=C(N=NC4=CC=C(O)C=C4)C=C3S(=O)(=O)O
Other Names for this Substance
- Benzenesulfonic acid, 2,2′-(1,2-ethenediyl)bis[5-[2-(4-hydroxyphenyl)diazenyl]-
- C.I. Direct Yellow 4
- Benzenesulfonic acid, 2,2′-(1,2-ethenediyl)bis[5-[(4-hydroxyphenyl)azo]-
- 2,2′-Stilbenedisulfonic acid, 4,4′-bis(p-hydroxyphenylazo)-
- 2,2′-(1,2-Ethenediyl)bis[5-[2-(4-hydroxyphenyl)diazenyl]benzenesulfonic acid]
