89794-98-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 89794-98-9 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 4 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 89794-98:
(7*8)+(6*9)+(5*7)+(4*9)+(3*4)+(2*9)+(1*8)=219
219 % 10 = 9
So 89794-98-9 is a valid CAS Registry Number.