17543-48-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 17543-48-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,7,5,4 and 3 respectively; the second part has 2 digits, 4 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 17543-48:
(7*1)+(6*7)+(5*5)+(4*4)+(3*3)+(2*4)+(1*8)=115
115 % 10 = 5
So 17543-48-5 is a valid CAS Registry Number.