17889-82-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 17889-82-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,7,8,8 and 9 respectively; the second part has 2 digits, 8 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 17889-82:
(7*1)+(6*7)+(5*8)+(4*8)+(3*9)+(2*8)+(1*2)=166
166 % 10 = 6
So 17889-82-6 is a valid CAS Registry Number.