922166-17-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 922166-17-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,2,2,1,6 and 6 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 922166-17:
(8*9)+(7*2)+(6*2)+(5*1)+(4*6)+(3*6)+(2*1)+(1*7)=154
154 % 10 = 4
So 922166-17-4 is a valid CAS Registry Number.