1-adamantanol Molecular formula c10h16o Molecular weight 152.23 Cas registry number 768-95-6 Purity 99.0% Melting point 240c 2-adamantanol Molecular formula c10h16o Molecular weight 152.23 Cas registry number 700-57-2 Purity 99.0% Melting point 260-265 2-methyl-2-adamantanol Molecular formula c11h18o Molecular weight 166.26 Cas registry number 702-98-7 Einecs 211-847-2 Purity 99% Melting point 214-218 2-ethyl-2-adamantanol Molecular formula c12h20o Molecular weight 180.28 Cas registry number 14648-57-8 Purity 99%