(3aR,3bR,6aR,7aR)-7a-Benzenesulfonyl-2-methylene-decahydro-cyclopenta[a]pentalen-3a-ol is a complex organic compound with a molecular formula of C18H20O3S. It features a cyclopenta[a]pentalen-3a-ol core structure, which is a type of pentalenene, a class of pentacyclic triterpenoid compounds. The molecule is characterized by a benzenesulfonyl group attached at the 7a position, which introduces a sulfonyl functional group that can participate in various chemical reactions. Additionally, the 2-methylene group indicates the presence of a double bond, which can be involved in further reactions or influence the compound's physical properties. (3aR,3bR,6aR,7aR)-7a-Benzenesulfonyl-2-methylene-decahydro-cyclopenta[a]pentalen-3a-ol is a stereoisomer, with the specified configuration at the 3a, 3b, 6a, and 7a positions, which can significantly affect its chemical behavior and potential applications.
The CAS Registry Mumber 74532-67-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,5,3 and 2 respectively; the second part has 2 digits, 6 and 7 respectively. Calculate Digit Verification of CAS Registry Number 74532-67: (7*7)+(6*4)+(5*5)+(4*3)+(3*2)+(2*6)+(1*7)=135 135 % 10 = 5 So 74532-67-5 is a valid CAS Registry Number.