97409-51-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 97409-51-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,7,4,0 and 9 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 97409-51:
(7*9)+(6*7)+(5*4)+(4*0)+(3*9)+(2*5)+(1*1)=163
163 % 10 = 3
So 97409-51-3 is a valid CAS Registry Number.