49754-71-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 49754-71-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,9,7,5 and 4 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 49754-71:
(7*4)+(6*9)+(5*7)+(4*5)+(3*4)+(2*7)+(1*1)=164
164 % 10 = 4
So 49754-71-4 is a valid CAS Registry Number.