17254-18-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 17254-18-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,7,2,5 and 4 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 17254-18:
(7*1)+(6*7)+(5*2)+(4*5)+(3*4)+(2*1)+(1*8)=101
101 % 10 = 1
So 17254-18-1 is a valid CAS Registry Number.