Mrv1652304172017352D 5 4 0 0 0 0 999 V2000 1.8576 -0.4125 0.0000 C 0 0 0 0 0 0 0 0 0 0 0 0 2.5721 0.0000 0.0000 C 0 0 0 0 0 0 0 0 0 0 0 0 3.2866 -0.4125 0.0000 C 0 0 0 0 0 0 0 0 0 0 0 0 2.5721 0.8250 0.0000 O 0 0 0 0 0 0 0 0 0 0 0 0 4.0010 0.0000 0.0000 C 0 0 0 0 0 0 0 0 0 0 0 0 1 2 1 0 0 0 0 2 3 1 0 0 0 0 3 5 2 0 0 0 0 2 4 2 0 0 0 0 M END > CHEM004047 > chemdb > CC(=O)C=C > InChI=1S/C4H6O/c1-3-4(2)5/h3H,1H2,2H3 > FUSUHKVFWTUUBE-UHFFFAOYSA-N > C4H6O > 70.0898 > 70.041864814 > 1 > 11 > 7.552254068796541 > 1 > 0 > 0 > 0 > but-3-en-2-one > 0.51 > 0.8625728153333332 > -0.18 > 0 > 0 > 0 > 19.945289804981293 > -4.670010321398548 > 17.07 > 20.8425 > 1 > 1 > 4.62e+01 g/l > methyl vinyl ketone > 1 > Methyl vinyl ketone > 78-94-4 > But-3-en-2-one $$$$