41771-54-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 41771-54-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,1,7,7 and 1 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 41771-54:
(7*4)+(6*1)+(5*7)+(4*7)+(3*1)+(2*5)+(1*4)=114
114 % 10 = 4
So 41771-54-4 is a valid CAS Registry Number.