4-hydroxy-9-methyl-2-thia-9-aza-6-azonia-spiro[5.5]undecane; tetraphenylborate is a complex organic compound with a unique molecular structure. It consists of a spiro[5.5]undecane core, which is a cyclic structure with five carbon atoms in one ring and five carbon atoms in the other, connected at a single point. The molecule features a 4-hydroxy group, a 9-methyl group, and a 2-thia-9-aza-6-azonia functional group, which includes a sulfur atom, a nitrogen atom, and a positively charged nitrogen atom (azonium). The tetraphenylborate counterion is composed of a boron atom bonded to four phenyl groups, providing a stable, negatively charged ion to balance the overall charge of the molecule. 4-hydroxy-9-methyl-2-thia-9-aza-6-azonia-spiro[5.5]undecane; tetraphenylborate is known for its potential applications in various fields, such as pharmaceuticals and materials science, due to its unique properties and reactivity.
The CAS Registry Mumber 6218-59-3 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,2,1 and 8 respectively; the second part has 2 digits, 5 and 9 respectively. Calculate Digit Verification of CAS Registry Number 6218-59: (6*6)+(5*2)+(4*1)+(3*8)+(2*5)+(1*9)=93 93 % 10 = 3 So 6218-59-3 is a valid CAS Registry Number.