(+/-)-4.5-dimethyl-2t-fluoromethyl-cyclohexene-(4)-carboxylic acid-(1r)-methyl ester is a complex organic compound with a molecular formula of C12H19FO2. It features a cyclohexene ring with a fluoromethyl group at the 2-position, two methyl groups at the 4 and 5 positions, and a carboxylic acid group at the 4-position. The carboxylic acid is esterified with a methyl group, forming a methyl ester. (+/-)-4.5-dimethyl-2t-fluoromethyl-cyclohexene-(4)-carboxylic acid-(1r)-methyl ester is a chiral molecule, indicated by the (1r)- configuration, and exists as a racemic mixture, denoted by the (+/-) symbol. It is likely to be used in the synthesis of pharmaceuticals or other organic compounds due to its unique structure and functional groups.
The CAS Registry Mumber 445-90-9 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 4,4 and 5 respectively; the second part has 2 digits, 9 and 0 respectively. Calculate Digit Verification of CAS Registry Number 445-90: (5*4)+(4*4)+(3*5)+(2*9)+(1*0)=69 69 % 10 = 9 So 445-90-9 is a valid CAS Registry Number.