C.I. Vat Yellow 4
  • CAS Number 128-66-5
  • Catalog Number io-2024
  • Classification Hydrocarbons
  • Molecular Weight 332.3000
  • SMILES C1=CC=C2C(=C1)C3=C4C(=CC=C5C4=C(C=C3)C(=O)C6=CC=CC=C65)C2=O
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Vat Yellow 4 is an ortho- and peri-fused polycyclic arene.

1 Vat yellow 4
2 C.I. Vat Yellow 4
3 Dibenzo[B,def]chrysene-7,14-dione
4 Tyrion Yellow
5 Tyrian Yellow I-GOK
Molecular Formula C24H12O2
Canonical SMILES C1=CC=C2C(=C1)C3=C4C(=CC=C5C4=C(C=C3)C(=O)C6=CC=CC=C65)C2=O
Isomeric SMILES C1=CC=C2C(=C1)C3=C4C(=CC=C5C4=C(C=C3)C(=O)C6=CC=CC=C65)C2=O
Molecular Weight 332.3000
InChIKey ZTWQZJLUUZHJGS-UHFFFAOYSA-N
InChI InChI=1S/C24H12O2/c25-23-17-7-3-1-5-13(17)15-9-11-20-22-16(10-12-19(23)21(15)22)14-6-2-4-8-18(14)24(20)26/h1-12H
XLogP 5.4000
ExactMass 332.0837
MonoisotopicMass 332.0837
TPSA 34.1000
Complexity 570.0000
Charge 0.0000
HBondDonorCount 0
HBondAcceptorCount 2
RotatableBondCount 0
HeavyAtomCount 26
IsotopeAtomCount 0
AtomStereoCount 0
DefinedAtomStereoCount 0
UndefinedAtomStereoCount 0
BondStereoCount 0
DefinedBondStereoCount 0
UndefinedBondStereoCount 0
CovalentUnitCount 1
PatentCount 2253
PatentFamilyCount 1476
LiteratureCount 27