25903-15-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 25903-15-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,5,9,0 and 3 respectively; the second part has 2 digits, 1 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 25903-15:
(7*2)+(6*5)+(5*9)+(4*0)+(3*3)+(2*1)+(1*5)=105
105 % 10 = 5
So 25903-15-5 is a valid CAS Registry Number.