259683-41-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 259683-41-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,5,9,6,8 and 3 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 259683-41:
(8*2)+(7*5)+(6*9)+(5*6)+(4*8)+(3*3)+(2*4)+(1*1)=185
185 % 10 = 5
So 259683-41-5 is a valid CAS Registry Number.