320783-64-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 320783-64-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,2,0,7,8 and 3 respectively; the second part has 2 digits, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 320783-64:
(8*3)+(7*2)+(6*0)+(5*7)+(4*8)+(3*3)+(2*6)+(1*4)=130
130 % 10 = 0
So 320783-64-0 is a valid CAS Registry Number.