840-10-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 840-10-8 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 8,4 and 0 respectively; the second part has 2 digits, 1 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 840-10:
(5*8)+(4*4)+(3*0)+(2*1)+(1*0)=58
58 % 10 = 8
So 840-10-8 is a valid CAS Registry Number.