Indomethacin

CAS Registry Number®

53-86-1

CAS Name

Indomethacin

Molecular Formula

C19H16ClNO4

Molecular Mass

357.79

Cite this Page

Indomethacin.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=53-86-1 (retrieved 2025-07-10) (CAS RN: 53-86-1).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Melting Point (1)

    158 °C

  • Density (2)

    1.37 g/cm³

Source(s)

Other Names and Identifiers

InChI

InChI=1S/C19H16ClNO4/c1-11-15(10-18(22)23)16-9-14(25-2)7-8-17(16)21(11)19(24)12-3-5-13(20)6-4-12/h3-9H,10H2,1-2H3,(H,22,23)

InChIKey

InChIKey=CGIGDMFJXJATDK-UHFFFAOYSA-N

SMILES

C(=O)(N1C=2C(C(CC(O)=O)=C1C)=CC(OC)=CC2)C3=CC=C(Cl)C=C3

Canonical SMILES

O=C(O)CC=1C=2C=C(OC)C=CC2N(C(=O)C3=CC=C(Cl)C=C3)C1C

Other Names for this Substance

  • 1H-Indole-3-acetic acid, 1-(4-chlorobenzoyl)-5-methoxy-2-methyl-
  • Indole-3-acetic acid, 1-(p-chlorobenzoyl)-5-methoxy-2-methyl-
  • 1-(4-Chlorobenzoyl)-5-methoxy-2-methyl-1H-indole-3-acetic acid
  • Amuno
  • 1-(p-Chlorobenzoyl)-5-methoxy-2-methylindole-3-acetic acid

View All

Deleted or Replaced CAS Registry Numbers

37242-43-6, 91853-74-6, 503560-73-4

CAS INSIGHTSTM
Aspergillus fungus, computer illustration. This is a toxic fungus that causes diseases in humans.