M 2508 (OTTO) (1R)-(−)-Menthyl chloroformate, 99% Cas 14602-86-9 - used for the resolution of alcohols and amines by GC, HPLC, or crystallization. M 2508 (OTTO) (1R)-(−)-Menthyl chloroformate, 99% Cas 14602-86-9 - used in the preparation of 1-O-menthoxycarbonyl myo-inositol.