2,3,4,10-tettrahydro-3,10-dioxo-2-(5,6-diphenyl-1,2,4-triazin-3-yl)<1,2,4>triazino<4,3-a>indole is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 128649-66-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,6,4 and 9 respectively; the second part has 2 digits, 6 and 6 respectively. Calculate Digit Verification of CAS Registry Number 128649-66: (8*1)+(7*2)+(6*8)+(5*6)+(4*4)+(3*9)+(2*6)+(1*6)=161 161 % 10 = 1 So 128649-66-1 is a valid CAS Registry Number.