320417-81-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 320417-81-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,2,0,4,1 and 7 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 320417-81:
(8*3)+(7*2)+(6*0)+(5*4)+(4*1)+(3*7)+(2*8)+(1*1)=100
100 % 10 = 0
So 320417-81-0 is a valid CAS Registry Number.