Allopurinol
CAS Registry Number®
315-30-0
CAS Name
AllopurinolMolecular Formula
C5H4N4OMolecular Mass
136.11Cite this Page
Allopurinol. CAS Common Chemistry. CAS, a division of the American Chemical Society, n.d. http://commonchemistry.cas.org/detail?cas_rn=184856-42-6 (retrieved ) (CAS RN: 315-30-0). Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).Compound Properties
Melting Point (1)
>350 °C
Source(s)
- (1) Hazardous Substances Data Bank data were obtained from the National Library of Medicine (US)
Other Names and Identifiers
InChI
InChI=1S/C5H4N4O/c10-5-3-1-8-9-4(3)6-2-7-5/h1-2H,(H2,6,7,8,9,10)
InChIKey
InChIKey=OFCNXPDARWKPPY-UHFFFAOYSA-N
SMILES
O=C1C2=C(NC=N1)NN=C2
Canonical SMILES
O=C1N=CNC=2NN=CC12
Other Names for this Substance
- 4H-Pyrazolo[3,4-d]pyrimidin-4-one, 1,5-dihydro-
- 1,5-Dihydro-4H-pyrazolo[3,4-d]pyrimidin-4-one
- BW 56-158
- Allopurinol
- HPP
Deleted or Replaced CAS Registry Numbers
22767-92-6, 39464-14-7, 184856-42-6