868-69-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 868-69-9 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 8,6 and 8 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 868-69:
(5*8)+(4*6)+(3*8)+(2*6)+(1*9)=109
109 % 10 = 9
So 868-69-9 is a valid CAS Registry Number.