cis-6,13-diphenyl-6,13-diphospha-2,17-thiatricyclo{16.4.0.0(7,12)}docosa-7(12),8,10,1(18),19,21-hexaene is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 68351-50-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,8,3,5 and 1 respectively; the second part has 2 digits, 5 and 0 respectively. Calculate Digit Verification of CAS Registry Number 68351-50: (7*6)+(6*8)+(5*3)+(4*5)+(3*1)+(2*5)+(1*0)=138 138 % 10 = 8 So 68351-50-8 is a valid CAS Registry Number.