17154-23-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 17154-23-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,7,1,5 and 4 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 17154-23:
(7*1)+(6*7)+(5*1)+(4*5)+(3*4)+(2*2)+(1*3)=93
93 % 10 = 3
So 17154-23-3 is a valid CAS Registry Number.