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MassMS-NW-1158 1-(2-hydroxyethyl)-2-pyrrolidone C6H11NO2 (Mass of molecular ion: 129)
Source Temperature: 240 °C Sample Temperature: 170 °C Reservoir, 75 eV
15.0 4.2 18.0 2.8 26.0 1.7 27.0 8.7 28.0 13.7 29.0 2.6 30.0 5.5 31.0 5.2 39.0 7.5 40.0 2.4 41.0 32.2 42.0 18.7 43.0 14.7 44.0 4.0 45.0 3.6 54.0 1.9 55.0 3.8 56.0 5.9 57.0 1.5 59.0 2.0 68.0 6.5 69.0 24.7 70.0 59.9 71.0 4.8 73.0 1.0 74.0 1.0 84.0 2.3 86.0 19.4 87.0 1.0 98.0 100.0 99.0 14.4 100.0 1.2 111.0 12.4 112.0 1.2 114.0 10.9 128.0 1.1 129.0 18.4 130.0 1.3
90 MHz in CDCl3
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1H NMR 89.56 MHz C6 H11 N O2 0.04 ml : 0.5 ml CDCl3 1-(2-hydroxyethyl)-2-pyrrolidone 
Assign. Shift(ppm)
A 3.75 B 3.74 C 3.51 D 3.44 E 2.40 F 2.08
Hz ppm Int.341.94 3.818 242 341.38 3.812 253 340.56 3.803 241 339.94 3.796 251 336.56 3.758 813 333.56 3.725 428 332.50 3.713 454 321.25 3.587 514 313.94 3.506 844 312.88 3.494 374 312.50 3.490 367 311.94 3.484 347 310.56 3.468 435 309.94 3.461 392 308.81 3.449 430 307.38 3.433 1000 303.31 3.387 213 302.81 3.382 223 302.44 3.377 228 301.69 3.369 209 223.88 2.500 212 218.81 2.444 191 217.00 2.423 508 209.31 2.338 508 198.69 2.219 196 196.94 2.199 195 191.56 2.139 366 190.50 2.128 426 188.44 2.105 145 187.56 2.095 136 184.06 2.056 525 181.00 2.021 217 177.56 1.983 160 176.63 1.973 246 174.13 1.945 151
in CDCl3
CCl4 solution
liquid film
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