257939-29-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 257939-29-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,5,7,9,3 and 9 respectively; the second part has 2 digits, 2 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 257939-29:
(8*2)+(7*5)+(6*7)+(5*9)+(4*3)+(3*9)+(2*2)+(1*9)=190
190 % 10 = 0
So 257939-29-0 is a valid CAS Registry Number.