ISDA: 9E1F

Atom Indices

Bond Indices

Highlight Substructure

Structural Complex

Chemical ID: A1BD4

IUPAC Name: allopurinol

Formal Charge: 0

Type: non-polymer

Substructure

Substruture Type: MurckoScaffold

SMILES: O=c1[nH]cnc2n[nH]cc12

InChI: InChI=1S/C5H4N4O/c10-5-3-1-8-9-4(3)6-2-7-5/h1-2H,(H2,6,7,8,9,10)

InChI Key: OFCNXPDARWKPPY-UHFFFAOYSA-N

Physiochemical Descriptor:

Formula: C5 H4 N4 O

Molecular weight: 136.111

Hydrogen Bond Acceptor: 3

Hydrogen Bond Donor: 2

Rotatable Bonds: 0

Heavy Atoms: 10

Systematic name

Program	Version	Descriptor
ACDLabs	14.52	2,5-dihydro-4H-pyrazolo[3,4-d]pyrimidin-4-one
OpenEye OEToolkits	3.1.0.0	2,5-dihydropyrazolo[3,4-d]pyrimidin-4-one

Chemical Descriptors

Type	Program	Version	Descriptor
SMILES	ACDLabs	14.52	O=C1NC=Nc2n[NH]cc12
InChI	InChI	1.06	InChI=1S/C5H4N4O/c10-5-3-1-8-9-4(3)6-2-7-5/h1-2H,(H2,6,7,8,9,10)
InChIKey	InChI	1.06	OFCNXPDARWKPPY-UHFFFAOYSA-N
SMILES_CANONICAL	CACTVS	3.385	O=C1NC=Nc2n[nH]cc12
SMILES	CACTVS	3.385	O=C1NC=Nc2n[nH]cc12
SMILES_CANONICAL	OpenEye OEToolkits	3.1.0.0	c1c2c(n[nH]1)N=CNC2=O
SMILES	OpenEye OEToolkits	3.1.0.0	c1c2c(n[nH]1)N=CNC2=O

Chemical Database Mapping