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Isolation of methylated guanine (9-MeGua?) for UV spectrum (Bob Croy) (01/02/1977)

Purpose/Intro: To get the UV-Visible spectrum of 9-MeGua so it can be compared to the compound produced by hydrolysis of methylated adduct.
Results/Conclusion: "The UV in base doesn't look like published spectrum, but 1. base came from plastic bottle and 2. the concentration is very low, and Al Nadzan says that spectra often are concentration dependent."
Notes: This experiment aims to back up evidence by the previous HPLC experiment showing that the adduct was an N7 adduct.

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