Tris(4-methylphenyl)phosphine oxide

CAS Registry Number®

797-70-6

CAS Name

Tris(4-methylphenyl)phosphine oxide

Molecular Formula

C21H21OP

Molecular Mass

320.36

Cite this Page

Tris(4-methylphenyl)phosphine oxide.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=797-70-6 (retrieved 2024-11-21) (CAS RN: 797-70-6).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Melting Point (1)

    143-144 °C

Source(s)

Other Names and Identifiers

InChI

InChI=1S/C21H21OP/c1-16-4-10-19(11-5-16)23(22,20-12-6-17(2)7-13-20)21-14-8-18(3)9-15-21/h4-15H,1-3H3

InChIKey

InChIKey=SPKBYIYIZQARNX-UHFFFAOYSA-N

SMILES

P(=O)(C1=CC=C(C)C=C1)(C2=CC=C(C)C=C2)C3=CC=C(C)C=C3

Canonical SMILES

O=P(C1=CC=C(C=C1)C)(C2=CC=C(C=C2)C)C3=CC=C(C=C3)C

Other Names for this Substance

  • Phosphine oxide, tris(4-methylphenyl)-
  • Phosphine oxide, tri-p-tolyl-
  • Tris(4-methylphenyl)phosphine oxide
  • Tri-p-tolylphosphine oxide
  • Tris-p-tolylphosphine oxide

CAS INSIGHTSTM
Targeted protein degrader structure, illustration