177343-00-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 177343-00-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,7,3,4 and 3 respectively; the second part has 2 digits, 0 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 177343-00:
(8*1)+(7*7)+(6*7)+(5*3)+(4*4)+(3*3)+(2*0)+(1*0)=139
139 % 10 = 9
So 177343-00-9 is a valid CAS Registry Number.