19801-48-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 19801-48-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,9,8,0 and 1 respectively; the second part has 2 digits, 4 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 19801-48:
(7*1)+(6*9)+(5*8)+(4*0)+(3*1)+(2*4)+(1*8)=120
120 % 10 = 0
So 19801-48-0 is a valid CAS Registry Number.