Tetrahydrocannabinol

CAS Registry Number®

1972-08-3

CAS Name

Tetrahydrocannabinol

Molecular Formula

C21H30O2

Molecular Mass

314.46

Cite this Page

Tetrahydrocannabinol.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/ChemicalDetail.aspx?ref=1972-08-3 (retrieved 2025-07-18) (CAS RN: 1972-08-3).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Boiling Point (1)

    200 °C @ Press: 0.02 Torr

  • Melting Point (2)

    <25 °C

Source(s)

Other Names and Identifiers

InChI

InChI=1S/C21H30O2/c1-5-6-7-8-15-12-18(22)20-16-11-14(2)9-10-17(16)21(3,4)23-19(20)13-15/h11-13,16-17,22H,5-10H2,1-4H3/t16-,17-/m1/s1

InChIKey

InChIKey=CYQFCXCEBYINGO-IAGOWNOFSA-N

SMILES

OC1=C2[C@]3([C@](C(C)(C)OC2=CC(CCCCC)=C1)(CCC(C)=C3)[H])[H]

Canonical SMILES

OC=1C=C(C=C2OC(C)(C)C3CCC(=CC3C12)C)CCCCC

Other Names for this Substance

  • 6H-Dibenzo[b,d]pyran-1-ol, 6a,7,8,10a-tetrahydro-6,6,9-trimethyl-3-pentyl-, (6aR,10aR)-
  • 6H-Dibenzo[b,d]pyran-1-ol, 6a,7,8,10a-tetrahydro-6,6,9-trimethyl-3-pentyl-, (6aR-trans)-
  • Cannabinol, Δ1-tetrahydro-
  • Cannabinol, tetrahydro-
  • (6aR,10aR)-6a,7,8,10a-Tetrahydro-6,6,9-trimethyl-3-pentyl-6H-dibenzo[b,d]pyran-1-ol

View All

Deleted or Replaced CAS Registry Numbers

1363-19-5, 5957-27-7, 14146-43-1, 14146-29-3, 26108-45-2

CAS INSIGHTSTM
Webinar image of people on a WebEx conference