78391-09-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 78391-09-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,8,3,9 and 1 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 78391-09:
(7*7)+(6*8)+(5*3)+(4*9)+(3*1)+(2*0)+(1*9)=160
160 % 10 = 0
So 78391-09-0 is a valid CAS Registry Number.