23458-25-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 23458-25-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,3,4,5 and 8 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 23458-25:
(7*2)+(6*3)+(5*4)+(4*5)+(3*8)+(2*2)+(1*5)=105
105 % 10 = 5
So 23458-25-5 is a valid CAS Registry Number.