74957-62-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 74957-62-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,9,5 and 7 respectively; the second part has 2 digits, 6 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 74957-62:
(7*7)+(6*4)+(5*9)+(4*5)+(3*7)+(2*6)+(1*2)=173
173 % 10 = 3
So 74957-62-3 is a valid CAS Registry Number.