5-methyl-5H-5λ5-[5,5']spirobi(benzo[b]phosphindole) is a complex organic compound characterized by its unique spirobiindane structure, which consists of two benzo[b]phosphindole rings fused together. The molecule features a methyl group attached to the central carbon atom of the spiro junction, which influences its chemical properties. 5-methyl-5H-5λ5-[5,5']spirobi(benzo[b]phosphindole) is of interest in the field of organic chemistry, potentially for its electronic properties or as a building block for more complex molecules. It is important to note that the compound's reactivity, stability, and potential applications would be influenced by the presence of the phosphorus atom and the methyl group, which can affect its electronic configuration and steric environment.
The CAS Registry Mumber 3151-21-1 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,1,5 and 1 respectively; the second part has 2 digits, 2 and 1 respectively. Calculate Digit Verification of CAS Registry Number 3151-21: (6*3)+(5*1)+(4*5)+(3*1)+(2*2)+(1*1)=51 51 % 10 = 1 So 3151-21-1 is a valid CAS Registry Number.