30711-48-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 30711-48-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,0,7,1 and 1 respectively; the second part has 2 digits, 4 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 30711-48:
(7*3)+(6*0)+(5*7)+(4*1)+(3*1)+(2*4)+(1*8)=79
79 % 10 = 9
So 30711-48-9 is a valid CAS Registry Number.