89422-13-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 89422-13-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,9,4,2 and 2 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 89422-13:
(7*8)+(6*9)+(5*4)+(4*2)+(3*2)+(2*1)+(1*3)=149
149 % 10 = 9
So 89422-13-9 is a valid CAS Registry Number.