257882-51-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 257882-51-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,5,7,8,8 and 2 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 257882-51:
(8*2)+(7*5)+(6*7)+(5*8)+(4*8)+(3*2)+(2*5)+(1*1)=182
182 % 10 = 2
So 257882-51-2 is a valid CAS Registry Number.