4588-04-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 4588-04-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,5,8 and 8 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 4588-04:
(6*4)+(5*5)+(4*8)+(3*8)+(2*0)+(1*4)=109
109 % 10 = 9
So 4588-04-9 is a valid CAS Registry Number.