The chemical "2'-benzo[1,3]dioxol-5-yl-2-(4-chloro-phenyl)-1'-(toluene-4-sulfonyl)-spiro[indole-3,3'-pyrrolidine]" is a complex organic molecule with a unique structure. It features a spiro[indole-3,3'-pyrrolidine] core, which is a fused ring system consisting of an indole and a pyrrolidine. The molecule also contains a benzo[1,3]dioxole ring, which is a benzene ring with two oxygen atoms forming a dioxole group. Additionally, it has a 4-chlorophenyl group and a toluene-4-sulfonyl group attached to the spiro core. 2'-benzo[1,3]dioxol-5-yl-2-(4-chloro-phenyl)-1'-(toluene-4-sulfonyl)-spiro[indole-3,3'-pyrrolidine] is characterized by its intricate arrangement of functional groups and rings, which contribute to its specific chemical properties and potential applications in various fields, such as pharmaceuticals or materials science.
The CAS Registry Mumber 991-33-3 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 9,9 and 1 respectively; the second part has 2 digits, 3 and 3 respectively. Calculate Digit Verification of CAS Registry Number 991-33: (5*9)+(4*9)+(3*1)+(2*3)+(1*3)=93 93 % 10 = 3 So 991-33-3 is a valid CAS Registry Number.