171601-41-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 171601-41-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,1,6,0 and 1 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 171601-41:
(8*1)+(7*7)+(6*1)+(5*6)+(4*0)+(3*1)+(2*4)+(1*1)=105
105 % 10 = 5
So 171601-41-5 is a valid CAS Registry Number.