303056-41-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 303056-41-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,0,3,0,5 and 6 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 303056-41:
(8*3)+(7*0)+(6*3)+(5*0)+(4*5)+(3*6)+(2*4)+(1*1)=89
89 % 10 = 9
So 303056-41-9 is a valid CAS Registry Number.