(1RS,2RS,4RS)-o-menthane-1,4-diol, also known as menthol, is a naturally occurring organic compound derived from mint oils, particularly peppermint and cornmint. It is a chiral monoterpene alcohol with a molecular formula of C10H20O, featuring a cyclohexane ring structure. Menthol is known for its cooling and analgesic properties, which make it a popular ingredient in various pharmaceutical, cosmetic, and food products. It is used to relieve minor throat irritation, muscle pain, and as a flavoring agent in confectionery and oral care products. Menthol's unique properties are attributed to its ability to activate cold-sensitive receptors in the skin and mucous membranes, providing a temporary cooling sensation.
The CAS Registry Mumber 91008-89-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,1,0,0 and 8 respectively; the second part has 2 digits, 8 and 9 respectively. Calculate Digit Verification of CAS Registry Number 91008-89: (7*9)+(6*1)+(5*0)+(4*0)+(3*8)+(2*8)+(1*9)=118 118 % 10 = 8 So 91008-89-8 is a valid CAS Registry Number.