7381-16-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 7381-16-0 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 7,3,8 and 1 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 7381-16:
(6*7)+(5*3)+(4*8)+(3*1)+(2*1)+(1*6)=100
100 % 10 = 0
So 7381-16-0 is a valid CAS Registry Number.