603099-80-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 603099-80-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,0,3,0,9 and 9 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 603099-80:
(8*6)+(7*0)+(6*3)+(5*0)+(4*9)+(3*9)+(2*8)+(1*0)=145
145 % 10 = 5
So 603099-80-5 is a valid CAS Registry Number.