6,13-dimethyl-cis-2,17-diphenyl-2,17-diphospha-6,13-diazatricyclo<16.4.0.07,12>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 78269-39-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,8,2,6 and 9 respectively; the second part has 2 digits, 3 and 9 respectively. Calculate Digit Verification of CAS Registry Number 78269-39: (7*7)+(6*8)+(5*2)+(4*6)+(3*9)+(2*3)+(1*9)=173 173 % 10 = 3 So 78269-39-3 is a valid CAS Registry Number.