622816-18-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 622816-18-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,2,2,8,1 and 6 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 622816-18:
(8*6)+(7*2)+(6*2)+(5*8)+(4*1)+(3*6)+(2*1)+(1*8)=146
146 % 10 = 6
So 622816-18-6 is a valid CAS Registry Number.