25645-71-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 25645-71-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,5,6,4 and 5 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 25645-71:
(7*2)+(6*5)+(5*6)+(4*4)+(3*5)+(2*7)+(1*1)=120
120 % 10 = 0
So 25645-71-0 is a valid CAS Registry Number.