25420-62-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 25420-62-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,5,4,2 and 0 respectively; the second part has 2 digits, 6 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 25420-62:
(7*2)+(6*5)+(5*4)+(4*2)+(3*0)+(2*6)+(1*2)=86
86 % 10 = 6
So 25420-62-6 is a valid CAS Registry Number.