93973-18-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 93973-18-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,3,9,7 and 3 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 93973-18:
(7*9)+(6*3)+(5*9)+(4*7)+(3*3)+(2*1)+(1*8)=173
173 % 10 = 3
So 93973-18-3 is a valid CAS Registry Number.