120703-16-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 120703-16-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,0,7,0 and 3 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 120703-16:
(8*1)+(7*2)+(6*0)+(5*7)+(4*0)+(3*3)+(2*1)+(1*6)=74
74 % 10 = 4
So 120703-16-4 is a valid CAS Registry Number.