49774-71-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 49774-71-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,9,7,7 and 4 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 49774-71:
(7*4)+(6*9)+(5*7)+(4*7)+(3*4)+(2*7)+(1*1)=172
172 % 10 = 2
So 49774-71-2 is a valid CAS Registry Number.