17571-75-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 17571-75-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,7,5,7 and 1 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 17571-75:
(7*1)+(6*7)+(5*5)+(4*7)+(3*1)+(2*7)+(1*5)=124
124 % 10 = 4
So 17571-75-4 is a valid CAS Registry Number.