Flucytosine

CAS Registry Number®

2022-85-7

CAS Name

Flucytosine

Molecular Formula

C4H4FN3O

Molecular Mass

129.09

Cite this Page

Flucytosine.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=2022-85-7 (retrieved 2024-11-21) (CAS RN: 2022-85-7).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Melting Point (1)

    295-297 °C (decomp)

  • Density (2)

    1.601 g/cm³ @ Temp: -123 °C

Source(s)

Other Names and Identifiers

InChI

InChI=1S/C4H4FN3O/c5-2-1-7-4(9)8-3(2)6/h1H,(H3,6,7,8,9)

InChIKey

InChIKey=XRECTZIEBJDKEO-UHFFFAOYSA-N

SMILES

NC1=C(F)C=NC(=O)N1

Canonical SMILES

O=C1N=CC(F)=C(N)N1

Other Names for this Substance

  • 2(1H)-Pyrimidinone, 6-amino-5-fluoro-
  • 2(1H)-Pyrimidinone, 4-amino-5-fluoro-
  • Cytosine, 5-fluoro-
  • 6-Amino-5-fluoro-2(1H)-pyrimidinone
  • 5-Fluorocytosine

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CAS INSIGHTSTM
Targeted protein degrader structure, illustration