Isoguanine or 2-hydroxyadenine is a purine base that is an isomer of guanine. It is a product of oxidative damage to DNA and has been shown to cause mutation. It is also used in combination with isocytosine in studies of unnatural nucleic acid analogues of the normal base pairs in DNA.

CAS：3373-53-3
中文别名：异鸟嘌呤;6-氨基-2-羟基嘌呤;
英文别名：6-amino-3,7-dihydro-purin-2-one;Isoguanine;6-amino-7H-purin-2-ol;6-Amino-7H-purin-2-ol;6-amino-1,7-dihydropurin-2-one;6-Amino-1,3-Dihydro-2H-Purin-2-One;2-Hydroxy-6-aminopurine;2H-Purin-2-one, 6-amino-1,3-dihydro-;2-hydroxyadenine;2-oxoadenine;6-Amino-3,7-dihydro-2H-purin-2-one;6-Amino-1,3-dihydro-2H-purin-2-one;6-amino-3,7-dihydro-2H-purin-2-one;6-amino-9H-purin-2-ol;
分子式：C5H5N5O
分子量：151.126
精确质量：151.049
Psa：100.71
Logp：0.2219

MDL号：MFCD00142931
EINECS号：222-157-6

外观与性状：白色细晶体
密度：2.19 g/cm3
熔点：300 °C
折射率：2.047
水溶解性：SLIGHTLY SOLUBLE

安全说明：S24/25
海关编码：2933990090