172879-73-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 172879-73-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,2,8,7 and 9 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 172879-73:
(8*1)+(7*7)+(6*2)+(5*8)+(4*7)+(3*9)+(2*7)+(1*3)=181
181 % 10 = 1
So 172879-73-1 is a valid CAS Registry Number.