Molecular FormulaC16H13ClO2
Molecular Weight272.73
InChIInChI=1S/C16H13ClO2/c1-19-15-9-2-12(3-10-15)4-11-16(18)13-5-7-14(17)8-6-13/h2-11H,1H3/b11-4+
InChIKey KGKFNDADSPFRCJ-NYYWCZLTSA-N
SmilesC(C1=CC=C(Cl)C=C1)(=O)/C=C/C1=CC=C(OC)C=C1

Mass
MS-NW-9742 trans-4'-chloro-4-methoxychalcone C16H13ClO2 (Mass of molecular ion: 272)
Source Temperature: 170 °C Sample Temperature: 120 °C Direct, 75 eV
50.0 1.6
51.0 1.4
63.0 2.5
64.0 1.5
74.0 1.0
75.0 5.3
76.0 2.0
77.0 3.9
79.0 1.8
89.0 5.4
90.0 5.2
92.0 2.0
101.0 1.0
102.0 2.1
103.0 3.2
104.0 2.4
104.5 1.0
105.0 1.4
108.0 19.9
109.0 1.5
111.0 17.4
112.0 1.4
113.0 6.0
117.0 1.6
118.0 7.8
122.0 3.4
123.0 1.2
132.0 1.4
133.0 23.4
134.0 2.3
136.0 1.0
139.0 19.5
140.0 1.7
141.0 6.0
161.0 44.6
162.0 5.1
163.0 1.3
164.0 2.1
165.0 13.6
166.0 9.6
167.0 1.3
176.0 1.3
177.0 1.5
178.0 3.4
193.0 1.9
194.0 6.0
195.0 1.1
201.0 1.6
208.0 2.6
209.0 2.5
213.0 1.1
222.0 3.4
228.0 1.6
229.0 7.6
230.0 1.7
231.0 2.6
236.0 1.2
237.0 74.1
238.0 13.0
239.0 1.5
241.0 18.6
242.0 3.3
243.0 7.3
244.0 5.0
245.0 1.1
246.0 1.3
255.0 1.0
256.0 1.0
257.0 16.6
258.0 3.0
259.0 5.5
271.0 38.8
272.0 100.0
273.0 29.7
274.0 33.6
275.0 5.7
90 MHz in CDCl3
400 MHz in CDCl3

| 1H NMR | 89.56 MHz |
| C16 H13 Cl O2 | 0.039 g : 0.5 ml CDCl3 |
| trans-4'-chloro-4-methoxychalcone | |
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Assign. Shift(ppm) |
Hz ppm Int.
715.94 7.994 171
713.94 7.972 74
709.25 7.920 85
707.25 7.897 278
705.94 7.883 106
690.13 7.706 147
683.81 7.636 154
681.88 7.614 65
677.13 7.561 70
675.06 7.538 210
673.69 7.523 82
671.19 7.495 275
669.19 7.472 94
664.56 7.421 289
662.50 7.398 203
660.31 7.373 33
649.00 7.247 115
624.31 6.971 211
622.25 6.948 70
617.44 6.895 55
615.38 6.872 158
344.06 3.842 1000

| 1H NMR | 399.65 MHz |
| C16 H13 Cl O2 | 0.039 g : 0.5 ml CDCl3 |
| trans-4'-chloro-4-methoxychalcone | |
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Assign. Shift(ppm) |
Hz ppm Int.
3182.01 7.962 34 3179.69 7.957 232 3179.20 7.955 192 3177.61 7.951 95 3172.85 7.940 81 3170.78 7.934 277 3168.46 7.929 43 3117.43 7.801 96 3101.93 7.762 115 3037.23 7.600 148 3036.74 7.599 191 3035.03 7.595 70 3029.91 7.582 60 3028.32 7.578 186 3027.83 7.577 191 2985.72 7.471 43 2983.40 7.466 291 2981.32 7.460 106 2976.68 7.449 84 2974.61 7.444 298 2972.29 7.438 42 2946.66 7.374 208 2931.03 7.334 171 2773.19 6.940 206 2771.24 6.935 75 2766.48 6.923 60 2764.40 6.918 192 1536.13 3.844 1000
in CDCl3

KBr disc

nujol mull

(2E)-1-(4-chlorophenyl)-3-(4-methoxyphenyl)prop-2-en-1-one(85502-87-0) 1H NMR Atlas of Related Products
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