380640-64-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 380640-64-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,8,0,6,4 and 0 respectively; the second part has 2 digits, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 380640-64:
(8*3)+(7*8)+(6*0)+(5*6)+(4*4)+(3*0)+(2*6)+(1*4)=142
142 % 10 = 2
So 380640-64-2 is a valid CAS Registry Number.