71399-41-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 71399-41-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,1,3,9 and 9 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 71399-41:
(7*7)+(6*1)+(5*3)+(4*9)+(3*9)+(2*4)+(1*1)=142
142 % 10 = 2
So 71399-41-2 is a valid CAS Registry Number.