109502-84-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 109502-84-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,9,5,0 and 2 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 109502-84:
(8*1)+(7*0)+(6*9)+(5*5)+(4*0)+(3*2)+(2*8)+(1*4)=113
113 % 10 = 3
So 109502-84-3 is a valid CAS Registry Number.
109502-84-3Relevant articles and documents
Robust preparation of novel imidazo[5,1-b][1,3,4]oxadiazoles
Tran, Tuan P.,Patel, Nandini,Samas, Brian,Schwarz, Jacob B.
supporting information; experimental part, p. 5063 - 5066 (2010/04/04)
Cyclodehydration of amino acid-derived acyl hydrazide amides 2 to the corresponding oxadiazoles was followed by a second dehydration event, smoothly furnishing the novel imidazo[5,1-b][1,3,4]oxadiazole motif 1.