1,1,6,6-tetramethyl-3,4-diphenyl-2,5-bis-trimethylsilanyl-3a-vinyl-3a,6-dihydro-1H-[1,2]azasilolo[5,1-e][1,2]azasilole is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 66731-29-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,6,7,3 and 1 respectively; the second part has 2 digits, 2 and 9 respectively. Calculate Digit Verification of CAS Registry Number 66731-29: (7*6)+(6*6)+(5*7)+(4*3)+(3*1)+(2*2)+(1*9)=141 141 % 10 = 1 So 66731-29-1 is a valid CAS Registry Number.