300843-75-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 300843-75-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,0,0,8,4 and 3 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 300843-75:
(8*3)+(7*0)+(6*0)+(5*8)+(4*4)+(3*3)+(2*7)+(1*5)=108
108 % 10 = 8
So 300843-75-8 is a valid CAS Registry Number.