The chemical compound "(3aR,4R,7aS)-1-((1R,3R)-3-Bromo-4-hydroxy-1-methyl-butyl)-7a-methyl-3a,4,5,6,7,7a-hexahydro-3H-inden-4-ol" is a complex organic molecule with a unique structure. It features a hexahydro-3H-inden-4-ol core, which is a type of indene derivative, a class of compounds derived from indene, a bicyclic aromatic hydrocarbon. The compound is characterized by its chiral centers, with the specific configuration at the 3a, 4, and 7a positions being R, R, and S, respectively. It also includes a 3-bromo-4-hydroxy-1-methyl-butyl group attached to the 1-position, indicating the presence of a bromine atom and a hydroxyl group in the butyl chain. This molecule's structure suggests it may have specific biological activities or be used in the synthesis of other compounds, although its exact applications or properties are not detailed in the provided information.
The CAS Registry Mumber 87640-66-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,7,6,4 and 0 respectively; the second part has 2 digits, 6 and 6 respectively. Calculate Digit Verification of CAS Registry Number 87640-66: (7*8)+(6*7)+(5*6)+(4*4)+(3*0)+(2*6)+(1*6)=162 162 % 10 = 2 So 87640-66-2 is a valid CAS Registry Number.