Sample Description:

Molecular Formula: C4H8O Molecular Weight: 72.106 InChI= 1/C4H8O/c1-3-4(2)5/h3H2,1-2H3 IUPAC Name:  Butan-2-one CAS Number: 78-93-3 PubChem: 6569 NMRShiftDB: 10009267 Spectrometer: 300 MHz Solvent: CDCl3 Provided by:  FTNMR FID Archive - Pacific Lutheran University

*.fid	np	nt	sw	rfp-rfl	ni	sw1	rfp1-rfl1	time
proton	8192	8	6024.11	-1664.802				?
carbon	8192	512	20000.00	-2107.929				?

1D Proton Spectrum:

1D Carbon Spectrum (Deuterated Solvent Resonances Subtracted):

Automated VerifyIt Proton Assignments:

Automated VerifyIt Carbon Assignments:

Top 10 FindIt Molecular Structures Consistent With Molecular Formula and Proton Resonances:

The correct structure is at position 1.

 Best 10 structures in decreasing rating (structure ID shown in parentheses):
    1: 0.973549 (    6569)    2: 0.957078 ( 5463008)    3: 0.957078 ( 5463039)
    4: 0.945750 (  123540)    5: 0.945638 (   11208)    6: 0.942167 (   18632)
    7: 0.907608 (    7834)    8: 0.902608 ( 5463318)    9: 0.885260 (11564466)
   10: 0.870460 (  143854)
			

Top 10 FindIt Molecular Structures Consistent With Proton and Carbon Resonances:

The correct structure is at position 1.

 Best 10 structures in decreasing rating (structure ID shown in parentheses):
    1: 0.951530 (    6569)    2: 0.893687 (    7288)    3: 0.885577 (  582599)
    4: 0.878032 (   13156)    5: 0.876526 (  569147)    6: 0.873994 (   62539)
    7: 0.873971 (  137897)    8: 0.871089 (10899304)    9: 0.870614 (  165054)
   10: 0.870237 (  207916)
			

Comments:

The top FindIt structure is the correct one.