864388-88-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 864388-88-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,6,4,3,8 and 8 respectively; the second part has 2 digits, 8 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 864388-88:
(8*8)+(7*6)+(6*4)+(5*3)+(4*8)+(3*8)+(2*8)+(1*8)=225
225 % 10 = 5
So 864388-88-5 is a valid CAS Registry Number.