58220-71-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 58220-71-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,8,2,2 and 0 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 58220-71:
(7*5)+(6*8)+(5*2)+(4*2)+(3*0)+(2*7)+(1*1)=116
116 % 10 = 6
So 58220-71-6 is a valid CAS Registry Number.