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MassMS-NW-9145 gamma-butyrolactone C4H6O2 (Mass of molecular ion: 86)
Source Temperature: 250 °C Sample Temperature: 150 °C Reservoir, 75 eV
14.0 2.4 15.0 2.3 25.0 1.3 26.0 10.1 27.0 26.0 28.0 94.9 29.0 41.1 30.0 2.1 31.0 2.6 37.0 2.0 38.0 2.6 39.0 9.1 40.0 8.3 41.0 33.9 42.0 100.0 43.0 5.9 44.0 1.3 55.0 8.0 56.0 30.0 57.0 6.8 85.0 11.0 86.0 29.1 87.0 3.0
400 MHz in CDCl3
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1H NMR 399.65 MHz C4 H6 O2 0.05 ml : 0.5 ml CDCl3 gamma-butyrolactone 
Assign. Shift(ppm)
A 4.350 B 2.483 C 2.280
Hz ppm Int.1745.61 4.368 699 1742.19 4.360 60 1738.65 4.351 1000 1735.23 4.342 53 1731.45 4.333 659 1001.83 2.507 388 1000.98 2.505 351 997.92 2.497 63 993.77 2.487 645 993.29 2.486 668 992.43 2.484 445 987.67 2.472 70 985.35 2.466 539 984.62 2.464 466 927.00 2.320 157 926.27 2.318 147 924.19 2.313 36 923.22 2.311 36 919.68 2.302 398 918.46 2.299 238 916.02 2.293 55 912.11 2.283 387 910.77 2.279 313 909.91 2.277 161 907.71 2.272 48 906.62 2.269 48 905.03 2.265 167 904.30 2.263 259 903.81 2.262 281 902.71 2.259 191 896.61 2.244 98 895.75 2.242 96
in CDCl3
liquid film
4880 A,100M,liquid
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