5711-98-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 5711-98-8 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,7,1 and 1 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 5711-98:
(6*5)+(5*7)+(4*1)+(3*1)+(2*9)+(1*8)=98
98 % 10 = 8
So 5711-98-8 is a valid CAS Registry Number.