260997-40-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 260997-40-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,6,0,9,9 and 7 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 260997-40:
(8*2)+(7*6)+(6*0)+(5*9)+(4*9)+(3*7)+(2*4)+(1*0)=168
168 % 10 = 8
So 260997-40-8 is a valid CAS Registry Number.