30593-90-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 30593-90-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,0,5,9 and 3 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 30593-90:
(7*3)+(6*0)+(5*5)+(4*9)+(3*3)+(2*9)+(1*0)=109
109 % 10 = 9
So 30593-90-9 is a valid CAS Registry Number.