30148-51-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 30148-51-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,0,1,4 and 8 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 30148-51:
(7*3)+(6*0)+(5*1)+(4*4)+(3*8)+(2*5)+(1*1)=77
77 % 10 = 7
So 30148-51-7 is a valid CAS Registry Number.