18242-54-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 18242-54-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,8,2,4 and 2 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 18242-54:
(7*1)+(6*8)+(5*2)+(4*4)+(3*2)+(2*5)+(1*4)=101
101 % 10 = 1
So 18242-54-1 is a valid CAS Registry Number.