6-O-Methylguanine

6-O-Methylguanine
IUPAC name 6-Methoxy-7H-purin-2-amine
Other names 6-Methoxyguanine; O6-Methylguanine; 2-Amino-6-methoxypurine
Identifiers
CAS number	20535-83-5
PubChem	65275
ChemSpider	58766 Y
ChEMBL	CHEMBL226395 Y
Jmol-3D images	Image 1 Image 2
SMILES COC1=NC(=NC2=C1NC=N2)N n1c(OC)c2c(nc1N)ncn2
InChI InChI=1S/C6H7N5O/c1-12-5-3-4(9-2-8-3)10-6(7)11-5/h2H,1H3,(H3,7,8,9,10,11) Y Key: BXJHWYVXLGLDMZ-UHFFFAOYSA-N Y InChI=1/C6H7N5O/c1-12-5-3-4(9-2-8-3)10-6(7)11-5/h2H,1H3,(H3,7,8,9,10,11) Key: BXJHWYVXLGLDMZ-UHFFFAOYAR
Properties
Molecular formula	C6H7N5O
Molar mass	165.15 g mol−1
Melting point	>300 °C
Y (verify) (what is: Y/N?) Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa)
Infobox references

6-O-Methylguanine is a derivative of the nucleobase guanine in which a methyl group is attached to the oxygen atom. It base-pairs to thymine rather than cytidine, causing a G:C to A:T transition in DNA.

See also

EMS mutagenesis