219606-76-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 219606-76-5 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 6 respectively.
Calculate Digit Verification of CAS Registry Number 219606-76:
(8*2)+(7*1)+(6*9)+(5*6)+(4*0)+(3*6)+(2*7)+(1*6)=145
145 % 10 = 5
So 219606-76-5 is a valid CAS Registry Number.