83280-20-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 83280-20-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,3,2,8 and 0 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 83280-20:
(7*8)+(6*3)+(5*2)+(4*8)+(3*0)+(2*2)+(1*0)=120
120 % 10 = 0
So 83280-20-0 is a valid CAS Registry Number.