259177-40-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 259177-40-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,5,9,1,7 and 7 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 259177-40:
(8*2)+(7*5)+(6*9)+(5*1)+(4*7)+(3*7)+(2*4)+(1*0)=167
167 % 10 = 7
So 259177-40-7 is a valid CAS Registry Number.