74421-60-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 74421-60-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,4,2 and 1 respectively; the second part has 2 digits, 6 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 74421-60:
(7*7)+(6*4)+(5*4)+(4*2)+(3*1)+(2*6)+(1*0)=116
116 % 10 = 6
So 74421-60-6 is a valid CAS Registry Number.