30888-99-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 30888-99-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,0,8,8 and 8 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 30888-99:
(7*3)+(6*0)+(5*8)+(4*8)+(3*8)+(2*9)+(1*9)=144
144 % 10 = 4
So 30888-99-4 is a valid CAS Registry Number.