77472-74-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 77472-74-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,4,7 and 2 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 77472-74:
(7*7)+(6*7)+(5*4)+(4*7)+(3*2)+(2*7)+(1*4)=163
163 % 10 = 3
So 77472-74-3 is a valid CAS Registry Number.