166171-82-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 166171-82-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,6,1,7 and 1 respectively; the second part has 2 digits, 8 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 166171-82:
(8*1)+(7*6)+(6*6)+(5*1)+(4*7)+(3*1)+(2*8)+(1*2)=140
140 % 10 = 0
So 166171-82-0 is a valid CAS Registry Number.