2-Naphthalenesulfonic acid, 4,6-dihydroxy-3-[2-[4-[1-[4-[2-[1-hydroxy-7-[(phenylsulfonyl)oxy]-3-sulfo-2-naphthalenyl]diazenyl]phenyl]cyclohexyl]phenyl]diazenyl]-, sodium salt (1:2)

CAS Registry Number®

13421-53-9

CAS Name

2-Naphthalenesulfonic acid, 4,6-dihydroxy-3-[2-[4-[1-[4-[2-[1-hydroxy-7-[(phenylsulfonyl)oxy]-3-sulfo-2-naphthalenyl]diazenyl]phenyl]cyclohexyl]phenyl]diazenyl]-, sodium salt (1:2)

Molecular Formula

C44H36N4O12S3.2Na

Cite this Page

2-Naphthalenesulfonic acid, 4,6-dihydroxy-3-[2-[4-[1-[4-[2-[1-hydroxy-7-[(phenylsulfonyl)oxy]-3-sulfo-2-naphthalenyl]diazenyl]phenyl]cyclohexyl]phenyl]diazenyl]-, sodium salt (1:2).   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=13421-53-9 (retrieved 2024-11-23) (CAS RN: 13421-53-9).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Other Names and Identifiers

InChI

InChI=1S/C44H36N4O12S3.2Na/c49-33-19-9-27-23-38(61(52,53)54)40(42(50)36(27)25-33)47-45-31-15-11-29(12-16-31)44(21-5-2-6-22-44)30-13-17-32(18-14-30)46-48-41-39(62(55,56)57)24-28-10-20-34(26-37(28)43(41)51)60-63(58,59)35-7-3-1-4-8-35;;/h1,3-4,7-20,23-26,49-51H,2,5-6,21-22H2,(H,52,53,54)(H,55,56,57);;

InChIKey

InChIKey=VHRWPQZLJDEHJI-UHFFFAOYSA-N

SMILES

N(=NC=1C(S(=O)(=O)O)=CC2=C(C1O)C=C(OS(=O)(=O)C3=CC=CC=C3)C=C2)C4=CC=C(C5(CCCCC5)C6=CC=C(N=NC=7C(S(=O)(=O)O)=CC8=C(C7O)C=C(O)C=C8)C=C6)C=C4.[Na]

Canonical SMILES

[Na].O=S(=O)(O)C=1C=C2C=CC(O)=CC2=C(O)C1N=NC3=CC=C(C=C3)C4(C5=CC=C(N=NC=6C(O)=C7C=C(OS(=O)(=O)C=8C=CC=CC8)C=CC7=CC6S(=O)(=O)O)C=C5)CCCCC4

Other Names for this Substance

  • 2-Naphthalenesulfonic acid, 4,6-dihydroxy-3-[2-[4-[1-[4-[2-[1-hydroxy-7-[(phenylsulfonyl)oxy]-3-sulfo-2-naphthalenyl]diazenyl]phenyl]cyclohexyl]phenyl]diazenyl]-, sodium salt (1:2)
  • C.I. Acid Red 163, disodium salt
  • 2-Naphthalenesulfonic acid, 4,6-dihydroxy-3-[[4-[1-[4-[[1-hydroxy-7-[(phenylsulfonyl)oxy]-3-sulfo-2-naphthalenyl]azo]phenyl]cyclohexyl]phenyl]azo]-, disodium salt
  • C.I. Acid Red 163
  • C.I. 24790

View All

Deleted or Replaced CAS Registry Numbers

6459-68-3

CAS INSIGHTSTM
Hourglass and a clock