74477-41-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 74477-41-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,4,7 and 7 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 74477-41:
(7*7)+(6*4)+(5*4)+(4*7)+(3*7)+(2*4)+(1*1)=151
151 % 10 = 1
So 74477-41-1 is a valid CAS Registry Number.