Vat Orange 5

CAS Registry Number®

3263-31-8

CAS Name

Vat Orange 5

Molecular Formula

C20H16O4S2

Molecular Mass

384.47

Cite this Page

Vat Orange 5.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=3263-31-8 (retrieved 2025-01-03) (CAS RN: 3263-31-8).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Other Names and Identifiers

InChI

InChI=1S/C20H16O4S2/c1-3-23-11-5-7-13-15(9-11)25-19(17(13)21)20-18(22)14-8-6-12(24-4-2)10-16(14)26-20/h5-10H,3-4H2,1-2H3

InChIKey

InChIKey=VMXWZRNWXZSSCE-UHFFFAOYSA-N

SMILES

O=C1C(SC=2C1=CC=C(OCC)C2)=C3C(=O)C=4C(S3)=CC(OCC)=CC4

Canonical SMILES

O=C1C(SC2=CC(OCC)=CC=C12)=C3SC4=CC(OCC)=CC=C4C3=O

Other Names for this Substance

  • Benzo[b]thiophen-3(2H)-one, 6-ethoxy-2-(6-ethoxy-3-oxobenzo[b]thien-2(3H)-ylidene)-
  • [Δ2,2′(3H,3′H)-Bibenzo[b]thiophene]-3,3′-dione, 6,6′-diethoxy-
  • Thioindigo, 6,6′-diethoxy-
  • 6-Ethoxy-2-(6-ethoxy-3-oxobenzo[b]thien-2(3H)-ylidene)benzo[b]thiophen-3(2H)-one
  • C.I. 73335

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