71899-26-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 71899-26-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,1,8,9 and 9 respectively; the second part has 2 digits, 2 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 71899-26:
(7*7)+(6*1)+(5*8)+(4*9)+(3*9)+(2*2)+(1*6)=168
168 % 10 = 8
So 71899-26-8 is a valid CAS Registry Number.