1393880-16-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1393880-16-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,9,3,8,8 and 0 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1393880-16:
(9*1)+(8*3)+(7*9)+(6*3)+(5*8)+(4*8)+(3*0)+(2*1)+(1*6)=194
194 % 10 = 4
So 1393880-16-4 is a valid CAS Registry Number.