300831-45-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 300831-45-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,0,0,8,3 and 1 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 300831-45:
(8*3)+(7*0)+(6*0)+(5*8)+(4*3)+(3*1)+(2*4)+(1*5)=92
92 % 10 = 2
So 300831-45-2 is a valid CAS Registry Number.