52940-97-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 52940-97-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,2,9,4 and 0 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 52940-97:
(7*5)+(6*2)+(5*9)+(4*4)+(3*0)+(2*9)+(1*7)=133
133 % 10 = 3
So 52940-97-3 is a valid CAS Registry Number.