89868-71-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 89868-71-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,9,8,6 and 8 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 89868-71:
(7*8)+(6*9)+(5*8)+(4*6)+(3*8)+(2*7)+(1*1)=213
213 % 10 = 3
So 89868-71-3 is a valid CAS Registry Number.