30415-15-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 30415-15-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,0,4,1 and 5 respectively; the second part has 2 digits, 1 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 30415-15:
(7*3)+(6*0)+(5*4)+(4*1)+(3*5)+(2*1)+(1*5)=67
67 % 10 = 7
So 30415-15-7 is a valid CAS Registry Number.