(±)-Methadone

CAS Registry Number®

76-99-3

CAS Name

(±)-Methadone

Molecular Formula

C21H27NO

Molecular Mass

309.45

Cite this Page

(±)-Methadone.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/ChemicalDetail.aspx?ref=76-99-3 (retrieved 2025-07-18) (CAS RN: 76-99-3).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Boiling Point (1)

    154-160 °C @ Press: 1 Torr

  • Melting Point (2)

    99-100 °C

Source(s)

Other Names and Identifiers

InChI

InChI=1S/C21H27NO/c1-5-20(23)21(16-17(2)22(3)4,18-12-8-6-9-13-18)19-14-10-7-11-15-19/h6-15,17H,5,16H2,1-4H3

InChIKey

InChIKey=USSIQXCVUWKGNF-UHFFFAOYSA-N

SMILES

C(CC(N(C)C)C)(C(CC)=O)(C1=CC=CC=C1)C2=CC=CC=C2

Canonical SMILES

O=C(CC)C(C=1C=CC=CC1)(C=2C=CC=CC2)CC(N(C)C)C

Other Names for this Substance

  • 3-Heptanone, 6-(dimethylamino)-4,4-diphenyl-
  • 6-(Dimethylamino)-4,4-diphenyl-3-heptanone
  • Amidone
  • Diaminon
  • Dolophin

View All

Deleted or Replaced CAS Registry Numbers

297-88-1