71101-55-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 71101-55-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,1,1,0 and 1 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 71101-55:
(7*7)+(6*1)+(5*1)+(4*0)+(3*1)+(2*5)+(1*5)=78
78 % 10 = 8
So 71101-55-8 is a valid CAS Registry Number.