1497420-59-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1497420-59-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,9,7,4,2 and 0 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1497420-59:
(9*1)+(8*4)+(7*9)+(6*7)+(5*4)+(4*2)+(3*0)+(2*5)+(1*9)=193
193 % 10 = 3
So 1497420-59-3 is a valid CAS Registry Number.