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MassMS-IW-3855 ethyl L-(-)-lactate C5H10O3 (Mass of molecular ion: 118)
Source Temperature: 200 °C Sample Temperature: 150 °C Reservoir, 75 eV
15.0 2.7 19.0 7.1 26.0 1.8 27.0 12.4 28.0 4.4 29.0 23.9 30.0 1.3 31.0 2.3 42.0 1.3 43.0 10.8 44.0 2.7 45.0 100.0 46.0 5.0 47.0 3.1 56.0 1.7 75.0 12.3 103.0 1.1
400 MHz in CDCl3
parameter in CDCl3
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1H NMR 399.65 MHz C5 H10 O3 0.05 ml : 0.5 ml CDCl3 ethyl L-lactate 
Assign. Shift(ppm)
A 4.280 B 4.232 C 3.52 D 1.415 E 1.297
Hz ppm Int.1721.44 4.308 52 1714.48 4.290 145 1707.64 4.273 149 1702.15 4.260 185 1698.85 4.251 38 1695.07 4.242 440 1691.65 4.233 30 1687.87 4.224 457 1683.96 4.214 34 1680.66 4.206 197 1406.74 3.520 61 572.88 1.434 50 569.21 1.425 950 562.26 1.407 947 558.47 1.398 59 525.51 1.315 670 522.95 1.309 34 521.85 1.306 33 518.31 1.297 1000 511.11 1.279 662 507.69 1.271 50
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1H NMR 300 MHz C5 H10 O3 0.05 ml : 0.5 ml CDCl3 ethyl L-lactate Parameter ppm Hz
D(A) 4.280 D(B) 1.415 J(A,B) 6.8 D(C) 3.52 D(D) 4.232 D(E) 1.297 J(D,E) 7.2
Hz ppm Int.1294.23 4.314 82 1287.43 4.291 245 1280.58 4.269 389 1273.27 4.244 514 1266.04 4.220 492 1258.85 4.196 169 1056.00 3.520 40 427.88 1.426 1000 421.11 1.404 985 396.28 1.321 502 389.11 1.297 989 381.88 1.273 483
in CDCl3
liquid film
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