171611-80-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 171611-80-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,1,6,1 and 1 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 171611-80:
(8*1)+(7*7)+(6*1)+(5*6)+(4*1)+(3*1)+(2*8)+(1*0)=116
116 % 10 = 6
So 171611-80-6 is a valid CAS Registry Number.