305329-03-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 305329-03-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,0,5,3,2 and 9 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 305329-03:
(8*3)+(7*0)+(6*5)+(5*3)+(4*2)+(3*9)+(2*0)+(1*3)=107
107 % 10 = 7
So 305329-03-7 is a valid CAS Registry Number.