1H,3H-Thioxantheno[2,1,9-def]-2-benzopyran-1,3-dione

CAS Registry Number®

14121-49-4
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CAS Name

1H,3H-Thioxantheno[2,1,9-def]-2-benzopyran-1,3-dione

Molecular Formula

C18H8O3S

Molecular Mass

304.32

Cite this Page

1H,3H-Thioxantheno[2,1,9-def]-2-benzopyran-1,3-dione.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=14121-49-4 (retrieved 2024-09-07) (CAS RN: 14121-49-4).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Melting Point (1)

    >300 °C

Source(s)

Other Names and Identifiers

InChI

InChI=1S/C18H8O3S/c19-17-11-6-5-10-9-3-1-2-4-13(9)22-14-8-7-12(18(20)21-17)15(11)16(10)14/h1-8H

InChIKey

InChIKey=YCJAUMBAFBAMFV-UHFFFAOYSA-N

SMILES

O=C1C=2C3=C4C(C=5C(SC4=CC=C3C(=O)O1)=CC=CC5)=CC2

Canonical SMILES

O=C1OC(=O)C=2C=CC=3C=4C=CC=CC4SC5=CC=C1C2C53

Other Names for this Substance

  • 1H,3H-Thioxantheno[2,1,9-def]-2-benzopyran-1,3-dione
  • Benzo[kl]thioxanthene-3,4-dicarboxylic anhydride
  • Benzothioxanthene-3,4-dicarboxylic anhydride
  • 4,10-Benzothioxanthene-3,1′-dicarboxylic acid anhydride

Deleted or Replaced CAS Registry Numbers

2718130-93-7