Product Name4-ETHOXYMETHYLENE-2-PHENYL-2-OXAZOLIN-5-ONE
CAS15646-46-5
Molecular FormulaC12H11NO3
Molecular Weight217.22
InChIInChI=1S/C12H11NO3/c1-2-15-8-10-12(14)16-11(13-10)9-6-4-3-5-7-9/h3-8H,2H2,1H3
InChIKey SJHPCNCNNSSLPL-UHFFFAOYSA-N
SmilesO1C(=O)C(=COCC)N=C1C1=CC=CC=C1

Mass
MS-IW-2292 4-ethoxymethylene-2-phenyl-2-oxazolin-5-one C12H11NO3 (Mass of molecular ion: 217)
Source Temperature: 130 °C Sample Temperature: 100 °C Direct, 75 eV
27.0 1.7
29.0 2.0
50.0 2.8
51.0 10.0
76.0 2.4
77.0 38.4
78.0 2.7
103.0 1.3
104.0 3.8
105.0 100.0
106.0 8.0
161.0 1.3
174.0 1.1
189.0 17.9
190.0 2.0
217.0 32.6
218.0 4.5
90 MHz in CDCl3

| 1H NMR | 89.56 MHz |
| C12 H11 N O3 | 0.042 g : 0.5 ml CDCl3 |
| 4-ethoxymethylene-2-phenyl-2-oxazolin-5-one | |
![]() |
Assign. Shift(ppm) |
Hz ppm Int.
727.25 8.121 186
725.19 8.098 197
723.69 8.081 58
722.75 8.071 76
722.13 8.064 135
721.06 8.052 102
720.38 8.044 151
719.63 8.036 115
718.13 8.019 109
717.38 8.011 279
715.50 7.990 42
677.69 7.567 53
676.06 7.549 80
675.31 7.541 69
673.00 7.515 390
671.31 7.496 355
668.31 7.463 147
667.63 7.455 135
666.69 7.445 119
665.88 7.436 188
662.63 7.399 49
661.13 7.382 65
657.75 7.345 604
408.31 4.560 112
401.19 4.480 373
394.06 4.400 388
387.00 4.322 137
139.88 1.562 476
132.81 1.483 1000
125.69 1.404 422
KBr disc

nujol mull


4-ETHOXYMETHYLENE-2-PHENYL-2-OXAZOLIN-5-ONE(15646-46-5) IR2 Atlas of Related Products