254427-95-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 254427-95-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,5,4,4,2 and 7 respectively; the second part has 2 digits, 9 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 254427-95:
(8*2)+(7*5)+(6*4)+(5*4)+(4*2)+(3*7)+(2*9)+(1*5)=147
147 % 10 = 7
So 254427-95-7 is a valid CAS Registry Number.