1-Benzopyrylium, 8-[5-(6,7-dihydro-6-methyl-2,4-diphenyl-5H-1-benzopyran-8-yl)-2,4-pentadien-1-ylidene]-5,6,7,8-tetrahydro-6-methyl-2,4-diphenyl-, perchlorate (1:1)

CAS Registry Number®

21016-19-3

CAS Name

1-Benzopyrylium, 8-[5-(6,7-dihydro-6-methyl-2,4-diphenyl-5H-1-benzopyran-8-yl)-2,4-pentadien-1-ylidene]-5,6,7,8-tetrahydro-6-methyl-2,4-diphenyl-, perchlorate (1:1)

Molecular Formula

C49H43O2.ClO4

Molecular Mass

763.32

Cite this Page

1-Benzopyrylium, 8-[5-(6,7-dihydro-6-methyl-2,4-diphenyl-5H-1-benzopyran-8-yl)-2,4-pentadien-1-ylidene]-5,6,7,8-tetrahydro-6-methyl-2,4-diphenyl-, perchlorate (1:1).   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=21016-19-3 (retrieved 2025-04-03) (CAS RN: 21016-19-3).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Other Names and Identifiers

InChI

InChI=1S/C49H43O2.ClHO4/c1-34-28-40(48-44(30-34)42(36-18-8-3-9-19-36)32-46(50-48)38-22-12-5-13-23-38)26-16-7-17-27-41-29-35(2)31-45-43(37-20-10-4-11-21-37)33-47(51-49(41)45)39-24-14-6-15-25-39;2-1(3,4)5/h3-27,32-35H,28-31H2,1-2H3;(H,2,3,4,5)/q+1;/p-1

InChIKey

InChIKey=XOVPRRKXGIHBEJ-UHFFFAOYSA-M

SMILES

C(=CC=CC=C1C=2C(=C(C=C([O+]2)C3=CC=CC=C3)C4=CC=CC=C4)CC(C)C1)C5=C6C(=C(C=C(O6)C7=CC=CC=C7)C8=CC=CC=C8)CC(C)C5.Cl(=O)(=O)(=O)[O-]

Canonical SMILES

O=Cl(=O)(=O)[O-].O1C(=CC(C=2C=CC=CC2)=C3C1=C(C=CC=CC=C4C5=[O+]C(=CC(C=6C=CC=CC6)=C5CC(C)C4)C=7C=CC=CC7)CC(C)C3)C=8C=CC=CC8

Other Names for this Substance

  • 1-Benzopyrylium, 8-[5-(6,7-dihydro-6-methyl-2,4-diphenyl-5H-1-benzopyran-8-yl)-2,4-pentadien-1-ylidene]-5,6,7,8-tetrahydro-6-methyl-2,4-diphenyl-, perchlorate (1:1)
  • 1-Benzopyrylium, 8-[5-(6,7-dihydro-6-methyl-2,4-diphenyl-5H-1-benzopyran-8-yl)-2,4-pentadienylidene]-5,6,7,8-tetrahydro-6-methyl-2,4-diphenyl-, perchlorate
  • EK 9740
  • Q-Switch I
  • A 9740

View All

Deleted or Replaced CAS Registry Numbers

51312-17-5, 52350-23-9, 53800-26-3, 77016-95-6

CAS INSIGHTSTM
A hexagon honeycomb pattern featuring icons representing Data Fabric Analytics, Antennas, Construction, DNA, and Sustainability Bamboo. Each hexagon contains a distinct symbol related to its theme, arranged in a visually appealing and interconnected design.