Diethyl ketomalonate(609-09-6) 1H NMR
Product NameDiethyl ketomalonate
CAS609-09-6
Molecular FormulaC7H10O5
Molecular Weight174.15
InChIInChI=1S/C7H10O5/c1-3-11-6(9)5(8)7(10)12-4-2/h3-4H2,1-2H3
InChIKey DBKKFIIYQGGHJO-UHFFFAOYSA-N
SmilesC(OCC)(=O)C(=O)C(OCC)=O
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MassMS-NW-8993 diethyl mesoxalate C7H10O5 (Mass of molecular ion: 174)
Source Temperature: 260 °C Sample Temperature: 140 °C Reservoir, 75 eV
26.0 1.3 27.0 14.7 28.0 7.3 29.0 100.0 30.0 4.3 31.0 9.3 43.0 3.7 44.0 1.7 45.0 9.4 46.0 1.2 47.0 1.8 56.0 1.5 57.0 2.7 59.0 1.8 73.0 3.6 74.0 15.0 75.0 1.8 102.0 5.0
90 MHz in CDCl3
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1H NMR 89.56 MHz C7 H10 O5 0.04 ml : 0.5 ml CDCl3 diethyl mesoxalate 
Assign. Shift(ppm)
A 4.417 B 1.396
Hz ppm Int.406.94 4.544 119 399.69 4.463 450 392.56 4.384 493 385.44 4.304 165 132.19 1.476 461 129.75 1.449 24 125.13 1.398 1000 122.75 1.371 31 122.31 1.366 32 120.94 1.351 34 120.06 1.341 36 117.94 1.317 452
in CDCl3
liquid film
