93328-31-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 93328-31-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,3,3,2 and 8 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 93328-31:
(7*9)+(6*3)+(5*3)+(4*2)+(3*8)+(2*3)+(1*1)=135
135 % 10 = 5
So 93328-31-5 is a valid CAS Registry Number.