60221-19-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 60221-19-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,0,2,2 and 1 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 60221-19:
(7*6)+(6*0)+(5*2)+(4*2)+(3*1)+(2*1)+(1*9)=74
74 % 10 = 4
So 60221-19-4 is a valid CAS Registry Number.