25541-49-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 25541-49-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,5,5,4 and 1 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 25541-49:
(7*2)+(6*5)+(5*5)+(4*4)+(3*1)+(2*4)+(1*9)=105
105 % 10 = 5
So 25541-49-5 is a valid CAS Registry Number.