1161917-73-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1161917-73-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,6,1,9,1 and 7 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1161917-73:
(9*1)+(8*1)+(7*6)+(6*1)+(5*9)+(4*1)+(3*7)+(2*7)+(1*3)=152
152 % 10 = 2
So 1161917-73-2 is a valid CAS Registry Number.