16870-04-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 16870-04-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,6,8,7 and 0 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 16870-04:
(7*1)+(6*6)+(5*8)+(4*7)+(3*0)+(2*0)+(1*4)=115
115 % 10 = 5
So 16870-04-5 is a valid CAS Registry Number.