15171-34-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 15171-34-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,5,1,7 and 1 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 15171-34:
(7*1)+(6*5)+(5*1)+(4*7)+(3*1)+(2*3)+(1*4)=83
83 % 10 = 3
So 15171-34-3 is a valid CAS Registry Number.