7453-18-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 7453-18-1 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 7,4,5 and 3 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 7453-18:
(6*7)+(5*4)+(4*5)+(3*3)+(2*1)+(1*8)=101
101 % 10 = 1
So 7453-18-1 is a valid CAS Registry Number.