167172-71-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 167172-71-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,7,1,7 and 2 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 167172-71:
(8*1)+(7*6)+(6*7)+(5*1)+(4*7)+(3*2)+(2*7)+(1*1)=146
146 % 10 = 6
So 167172-71-6 is a valid CAS Registry Number.