266680-09-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 266680-09-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,6,6,6,8 and 0 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 266680-09:
(8*2)+(7*6)+(6*6)+(5*6)+(4*8)+(3*0)+(2*0)+(1*9)=165
165 % 10 = 5
So 266680-09-5 is a valid CAS Registry Number.