219606-77-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 219606-77-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,9,6,0 and 6 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 219606-77:
(8*2)+(7*1)+(6*9)+(5*6)+(4*0)+(3*6)+(2*7)+(1*7)=146
146 % 10 = 6
So 219606-77-6 is a valid CAS Registry Number.