71341-91-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 71341-91-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,1,3,4 and 1 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 71341-91:
(7*7)+(6*1)+(5*3)+(4*4)+(3*1)+(2*9)+(1*1)=108
108 % 10 = 8
So 71341-91-8 is a valid CAS Registry Number.