305353-93-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 305353-93-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,0,5,3,5 and 3 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 305353-93:
(8*3)+(7*0)+(6*5)+(5*3)+(4*5)+(3*3)+(2*9)+(1*3)=119
119 % 10 = 9
So 305353-93-9 is a valid CAS Registry Number.