4889-73-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 4889-73-0 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,8,8 and 9 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 4889-73:
(6*4)+(5*8)+(4*8)+(3*9)+(2*7)+(1*3)=140
140 % 10 = 0
So 4889-73-0 is a valid CAS Registry Number.