89371-99-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 89371-99-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,9,3,7 and 1 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 89371-99:
(7*8)+(6*9)+(5*3)+(4*7)+(3*1)+(2*9)+(1*9)=183
183 % 10 = 3
So 89371-99-3 is a valid CAS Registry Number.