290814-68-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 290814-68-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,9,0,8,1 and 4 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 290814-68:
(8*2)+(7*9)+(6*0)+(5*8)+(4*1)+(3*4)+(2*6)+(1*8)=155
155 % 10 = 5
So 290814-68-5 is a valid CAS Registry Number.