218456-07-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 218456-07-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,8,4,5 and 6 respectively; the second part has 2 digits, 0 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 218456-07:
(8*2)+(7*1)+(6*8)+(5*4)+(4*5)+(3*6)+(2*0)+(1*7)=136
136 % 10 = 6
So 218456-07-6 is a valid CAS Registry Number.