30103-07-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 30103-07-2 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 7 respectively.
Calculate Digit Verification of CAS Registry Number 30103-07:
(7*3)+(6*0)+(5*1)+(4*0)+(3*3)+(2*0)+(1*7)=42
42 % 10 = 2
So 30103-07-2 is a valid CAS Registry Number.