805316-08-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 805316-08-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,0,5,3,1 and 6 respectively; the second part has 2 digits, 0 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 805316-08:
(8*8)+(7*0)+(6*5)+(5*3)+(4*1)+(3*6)+(2*0)+(1*8)=139
139 % 10 = 9
So 805316-08-9 is a valid CAS Registry Number.