41779-23-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 41779-23-1 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 9 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 41779-23:
(7*4)+(6*1)+(5*7)+(4*7)+(3*9)+(2*2)+(1*3)=131
131 % 10 = 1
So 41779-23-1 is a valid CAS Registry Number.