910309-79-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 910309-79-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,1,0,3,0 and 9 respectively; the second part has 2 digits, 7 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 910309-79:
(8*9)+(7*1)+(6*0)+(5*3)+(4*0)+(3*9)+(2*7)+(1*9)=144
144 % 10 = 4
So 910309-79-4 is a valid CAS Registry Number.