25958-40-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 25958-40-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,5,9,5 and 8 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 25958-40:
(7*2)+(6*5)+(5*9)+(4*5)+(3*8)+(2*4)+(1*0)=141
141 % 10 = 1
So 25958-40-1 is a valid CAS Registry Number.