308293-65-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 308293-65-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,0,8,2,9 and 3 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 308293-65:
(8*3)+(7*0)+(6*8)+(5*2)+(4*9)+(3*3)+(2*6)+(1*5)=144
144 % 10 = 4
So 308293-65-4 is a valid CAS Registry Number.