Pigment Orange 13

CAS Registry Number®

3520-72-7

CAS Name

Pigment Orange 13

Molecular Formula

C32H24Cl2N8O2

Molecular Mass

623.49

Cite this Page

Pigment Orange 13.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=3520-72-7 (retrieved 2025-01-03) (CAS RN: 3520-72-7).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Other Names and Identifiers

InChI

InChI=1S/C32H24Cl2N8O2/c1-19-29(31(43)41(39-19)23-9-5-3-6-10-23)37-35-27-15-13-21(17-25(27)33)22-14-16-28(26(34)18-22)36-38-30-20(2)40-42(32(30)44)24-11-7-4-8-12-24/h3-18,29-30H,1-2H3

InChIKey

InChIKey=HKYYDLYCGBDWSB-UHFFFAOYSA-N

SMILES

O=C1N(N=C(C)C1N=NC2=C(Cl)C=C(C=C2)C3=CC(Cl)=C(N=NC4C(=O)N(N=C4C)C5=CC=CC=C5)C=C3)C6=CC=CC=C6

Canonical SMILES

O=C1N(N=C(C)C1N=NC=2C=CC(=CC2Cl)C3=CC=C(N=NC4C(=O)N(N=C4C)C=5C=CC=CC5)C(Cl)=C3)C=6C=CC=CC6

Other Names for this Substance

  • 3H-Pyrazol-3-one, 4,4′-[(3,3′-dichloro[1,1′-biphenyl]-4,4′-diyl)bis(2,1-diazenediyl)]bis[2,4-dihydro-5-methyl-2-phenyl-
  • C.I. Pigment Orange 13
  • Benzidine Orange
  • 3H-Pyrazol-3-one, 4,4′-[(3,3′-dichloro[1,1′-biphenyl]-4,4′-diyl)bis(azo)]bis[2,4-dihydro-5-methyl-2-phenyl-
  • 4,4′-[(3,3′-Dichloro[1,1′-biphenyl]-4,4′-diyl)bis(2,1-diazenediyl)]bis[2,4-dihydro-5-methyl-2-phenyl-3H-pyrazol-3-one]

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Deleted or Replaced CAS Registry Numbers

98084-77-6, 4338-60-7, 75757-39-0, 85497-02-5

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