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Molecular formula : CAS :
nature : the following common. 2-methyl - purine, the melting point of 286 ° C. 6-methyl - purine, the melting point of 236 ° C to 235. 7-methyl - purine, the melting point of 184 ° C. 8-methyl - purine, the melting point of 273 ° C to 271. 9-methyl - purine, the melting point of 162 ° C to 163. 9 - ethyl - purine, the melting point of 53 ~ 56 ° C. 2,6 - dimethyl - purine, melting point 271 ° C 2,8 - dimethyl - purine, the melting point of 217 ° C. 6,8 - dimethyl - purine, the melting point of 263 ° C to 265. 2, 6, 8-trimethyl - purine, and the melting point of 220 ° C. These purine synthesis of derivatives have been measured, and the UV spectra data.
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