1177256-73-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1177256-73-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,7,7,2,5 and 6 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1177256-73:
(9*1)+(8*1)+(7*7)+(6*7)+(5*2)+(4*5)+(3*6)+(2*7)+(1*3)=173
173 % 10 = 3
So 1177256-73-3 is a valid CAS Registry Number.