259749-26-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 259749-26-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,5,9,7,4 and 9 respectively; the second part has 2 digits, 2 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 259749-26:
(8*2)+(7*5)+(6*9)+(5*7)+(4*4)+(3*9)+(2*2)+(1*6)=193
193 % 10 = 3
So 259749-26-3 is a valid CAS Registry Number.