98945-49-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 98945-49-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,8,9,4 and 5 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 98945-49:
(7*9)+(6*8)+(5*9)+(4*4)+(3*5)+(2*4)+(1*9)=204
204 % 10 = 4
So 98945-49-4 is a valid CAS Registry Number.