172779-12-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 172779-12-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,2,7,7 and 9 respectively; the second part has 2 digits, 1 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 172779-12:
(8*1)+(7*7)+(6*2)+(5*7)+(4*7)+(3*9)+(2*1)+(1*2)=163
163 % 10 = 3
So 172779-12-3 is a valid CAS Registry Number.