78864-09-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 78864-09-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,8,8,6 and 4 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 78864-09:
(7*7)+(6*8)+(5*8)+(4*6)+(3*4)+(2*0)+(1*9)=182
182 % 10 = 2
So 78864-09-2 is a valid CAS Registry Number.