17204-26-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 17204-26-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,7,2,0 and 4 respectively; the second part has 2 digits, 2 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 17204-26:
(7*1)+(6*7)+(5*2)+(4*0)+(3*4)+(2*2)+(1*6)=81
81 % 10 = 1
So 17204-26-1 is a valid CAS Registry Number.