300545-33-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 300545-33-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,0,0,5,4 and 5 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 300545-33:
(8*3)+(7*0)+(6*0)+(5*5)+(4*4)+(3*5)+(2*3)+(1*3)=89
89 % 10 = 9
So 300545-33-9 is a valid CAS Registry Number.