30103-05-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 30103-05-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,0,1,0 and 3 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 30103-05:
(7*3)+(6*0)+(5*1)+(4*0)+(3*3)+(2*0)+(1*5)=40
40 % 10 = 0
So 30103-05-0 is a valid CAS Registry Number.