222716-47-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 222716-47-4 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, 4 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 222716-47:
(8*2)+(7*2)+(6*2)+(5*7)+(4*1)+(3*6)+(2*4)+(1*7)=114
114 % 10 = 4
So 222716-47-4 is a valid CAS Registry Number.