25579-63-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 25579-63-9 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 3 respectively.
Calculate Digit Verification of CAS Registry Number 25579-63:
(7*2)+(6*5)+(5*5)+(4*7)+(3*9)+(2*6)+(1*3)=139
139 % 10 = 9
So 25579-63-9 is a valid CAS Registry Number.