59109-78-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 59109-78-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,9,1,0 and 9 respectively; the second part has 2 digits, 7 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 59109-78:
(7*5)+(6*9)+(5*1)+(4*0)+(3*9)+(2*7)+(1*8)=143
143 % 10 = 3
So 59109-78-3 is a valid CAS Registry Number.