30808-56-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 30808-56-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,0,8,0 and 8 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 30808-56:
(7*3)+(6*0)+(5*8)+(4*0)+(3*8)+(2*5)+(1*6)=101
101 % 10 = 1
So 30808-56-1 is a valid CAS Registry Number.