16331-76-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 16331-76-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,6,3,3 and 1 respectively; the second part has 2 digits, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 16331-76:
(7*1)+(6*6)+(5*3)+(4*3)+(3*1)+(2*7)+(1*6)=93
93 % 10 = 3
So 16331-76-3 is a valid CAS Registry Number.