The chemical compound "(1R,2R,6S,8S,11R)-11-Isopropenyl-2-methoxy-6-methyl-5-methylene-9-oxa-tricyclo[6.2.1.0^2,6]undecane" is a complex, cyclic organic molecule with a unique structure. It features a tricyclic framework with a nine-membered ring, incorporating an oxygen atom (hence the "oxa" prefix). The compound has a double bond (enyl) at the 11-position, a methoxy group at the 2-position, and a methyl group at the 6-position. Additionally, it has a methylene group at the 5-position, which contributes to its overall structure. The stereochemistry is specified by the R,S configuration at the 1, 2, 6, 8, and 11 positions, indicating the specific three-dimensional arrangement of the atoms. (1R,2R,6S,8S,11R)-11-Isopropenyl-2-methoxy-6-methyl-5-methylene-9-oxa-tricyclo[6.2.1.02,6]undecane is likely to be found in the realm of natural products or as a synthetic intermediate in organic chemistry, given its intricate structure and functional groups.
The CAS Registry Mumber 90123-06-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,0,1,2 and 3 respectively; the second part has 2 digits, 0 and 6 respectively. Calculate Digit Verification of CAS Registry Number 90123-06: (7*9)+(6*0)+(5*1)+(4*2)+(3*3)+(2*0)+(1*6)=91 91 % 10 = 1 So 90123-06-1 is a valid CAS Registry Number.