216860-71-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 216860-71-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,6,8,6 and 0 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 216860-71:
(8*2)+(7*1)+(6*6)+(5*8)+(4*6)+(3*0)+(2*7)+(1*1)=138
138 % 10 = 8
So 216860-71-8 is a valid CAS Registry Number.