89791-86-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 89791-86-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,9,7,9 and 1 respectively; the second part has 2 digits, 8 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 89791-86:
(7*8)+(6*9)+(5*7)+(4*9)+(3*1)+(2*8)+(1*6)=206
206 % 10 = 6
So 89791-86-6 is a valid CAS Registry Number.