4571-16-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 4571-16-8 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,5,7 and 1 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 4571-16:
(6*4)+(5*5)+(4*7)+(3*1)+(2*1)+(1*6)=88
88 % 10 = 8
So 4571-16-8 is a valid CAS Registry Number.