25579-65-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 25579-65-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,5,5,7 and 9 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 25579-65:
(7*2)+(6*5)+(5*5)+(4*7)+(3*9)+(2*6)+(1*5)=141
141 % 10 = 1
So 25579-65-1 is a valid CAS Registry Number.