57016-98-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 57016-98-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,7,0,1 and 6 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 57016-98:
(7*5)+(6*7)+(5*0)+(4*1)+(3*6)+(2*9)+(1*8)=125
125 % 10 = 5
So 57016-98-5 is a valid CAS Registry Number.