17266-78-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 17266-78-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,7,2,6 and 6 respectively; the second part has 2 digits, 7 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 17266-78:
(7*1)+(6*7)+(5*2)+(4*6)+(3*6)+(2*7)+(1*8)=123
123 % 10 = 3
So 17266-78-3 is a valid CAS Registry Number.