Thymine

CAS Registry Number®

65-71-4

CAS Name

Thymine

Molecular Formula

C5H6N2O2

Molecular Mass

126.11

Cite this Page

Thymine.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=65-71-4 (retrieved 2024-11-23) (CAS RN: 65-71-4).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Melting Point (1)

    316 °C

Source(s)

  • (1) PhysProp data were obtained from Syracuse Research Corporation of Syracuse, New York (US)

Other Names and Identifiers

InChI

InChI=1S/C5H6N2O2/c1-3-2-6-5(9)7-4(3)8/h2H,1H3,(H2,6,7,8,9)

InChIKey

InChIKey=RWQNBRDOKXIBIV-UHFFFAOYSA-N

SMILES

O=C1C(C)=CNC(=O)N1

Canonical SMILES

O=C1NC=C(C(=O)N1)C

Other Names for this Substance

  • 2,4(1H,3H)-Pyrimidinedione, 5-methyl-
  • Thymine
  • 5-Methyl-2,4(1H,3H)-pyrimidinedione
  • 2,4-Dihydroxy-5-methylpyrimidine
  • 5-Methyluracil

View All

Deleted or Replaced CAS Registry Numbers

3059-73-2, 691841-57-3

CAS INSIGHTSTM
Hourglass and a clock