73518-38-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 73518-38-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,3,5,1 and 8 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 73518-38:
(7*7)+(6*3)+(5*5)+(4*1)+(3*8)+(2*3)+(1*8)=134
134 % 10 = 4
So 73518-38-4 is a valid CAS Registry Number.