1490-04-6 2-Isopropyl-5-methylcyclohexanol 5-Methyl-2-(1-methylethyl)cyclohexanol AI3-08161 Caswell No. 540 Cyclohexanol, 5-methyl-2-(1-methylethyl)- DL-Menthol Dermoplast EINECS 216-074-4 EPA Pesticide Chemical Code 051601 MENTHOL Menthyl alcohol Robitussin Cough Drops Sarna