864515-91-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 864515-91-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,6,4,5,1 and 5 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 864515-91:
(8*8)+(7*6)+(6*4)+(5*5)+(4*1)+(3*5)+(2*9)+(1*1)=193
193 % 10 = 3
So 864515-91-3 is a valid CAS Registry Number.