DOPA

CAS Registry Number®

59-92-7

CAS Name

DOPA

Molecular Formula

C9H11NO4

Molecular Mass

197.19

Cite this Page

DOPA.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=59-92-7 (retrieved 2025-07-10) (CAS RN: 59-92-7).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Melting Point (1)

    284-286 °C

  • Density (2)

    1.51 g/cm³

Source(s)

Other Names and Identifiers

InChI

InChI=1S/C9H11NO4/c10-6(9(13)14)3-5-1-2-7(11)8(12)4-5/h1-2,4,6,11-12H,3,10H2,(H,13,14)/t6-/m0/s1

InChIKey

InChIKey=WTDRDQBEARUVNC-LURJTMIESA-N

SMILES

C([C@@H](C(O)=O)N)C1=CC(O)=C(O)C=C1

Canonical SMILES

O=C(O)C(N)CC1=CC=C(O)C(O)=C1

Other Names for this Substance

  • L-Tyrosine, 3-hydroxy-
  • Alanine, 3-(3,4-dihydroxyphenyl)-, L-
  • 3-Hydroxy-L-tyrosine
  • DA
  • (-)-3,4-Dihydroxyphenylalanine

View All

Deleted or Replaced CAS Registry Numbers

23734-74-9, 25525-15-9, 34241-25-3, 72572-99-7, 72573-00-3, 88250-23-1, 90638-38-3

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