1,2,3,4,5,6,7,8,10,11,12,13,14,15,16,17-hexadecahydro-phenanthro[9,10-b]triphenylene-9,18-dione is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 104263-66-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,4,2,6 and 3 respectively; the second part has 2 digits, 6 and 6 respectively. Calculate Digit Verification of CAS Registry Number 104263-66: (8*1)+(7*0)+(6*4)+(5*2)+(4*6)+(3*3)+(2*6)+(1*6)=93 93 % 10 = 3 So 104263-66-3 is a valid CAS Registry Number.