320-15-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 320-15-0 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 3,2 and 0 respectively; the second part has 2 digits, 1 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 320-15:
(5*3)+(4*2)+(3*0)+(2*1)+(1*5)=30
30 % 10 = 0
So 320-15-0 is a valid CAS Registry Number.