222716-86-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 222716-86-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,2,7,1 and 6 respectively; the second part has 2 digits, 8 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 222716-86:
(8*2)+(7*2)+(6*2)+(5*7)+(4*1)+(3*6)+(2*8)+(1*6)=121
121 % 10 = 1
So 222716-86-1 is a valid CAS Registry Number.