257877-95-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 257877-95-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,5,7,8,7 and 7 respectively; the second part has 2 digits, 9 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 257877-95:
(8*2)+(7*5)+(6*7)+(5*8)+(4*7)+(3*7)+(2*9)+(1*5)=205
205 % 10 = 5
So 257877-95-5 is a valid CAS Registry Number.