30507-15-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 30507-15-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,0,5,0 and 7 respectively; the second part has 2 digits, 1 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 30507-15:
(7*3)+(6*0)+(5*5)+(4*0)+(3*7)+(2*1)+(1*5)=74
74 % 10 = 4
So 30507-15-4 is a valid CAS Registry Number.