253589-93-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 253589-93-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,5,3,5,8 and 9 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 253589-93:
(8*2)+(7*5)+(6*3)+(5*5)+(4*8)+(3*9)+(2*9)+(1*3)=174
174 % 10 = 4
So 253589-93-4 is a valid CAS Registry Number.