4016-99-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 4016-99-3 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,0,1 and 6 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 4016-99:
(6*4)+(5*0)+(4*1)+(3*6)+(2*9)+(1*9)=73
73 % 10 = 3
So 4016-99-3 is a valid CAS Registry Number.