Ac-DL-Phe-ONp(38806-34-7) MS
Product NameAc-DL-Phe-ONp
CAS38806-34-7
Molecular FormulaC17H16N2O5
Molecular Weight328.32
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MassMS-IW-1544 N-acetyl-DL-phenylalanine p-nitrophenyl ester C17H16N2O5 (Mass of molecular ion: 328)
Source Temperature: 220 °C Sample Temperature: 150 °C Direct, 75 eV
27.0 1.1 28.0 1.5 38.0 1.2 39.0 7.5 42.0 1.2 43.0 18.5 50.0 1.6 51.0 2.9 52.0 1.1 53.0 1.8 62.0 1.2 63.0 3.4 64.0 1.5 65.0 14.0 66.0 1.0 77.0 2.8 78.0 1.3 81.0 2.2 89.0 1.5 90.0 1.1 91.0 100.0 92.0 9.4 93.0 4.1 103.0 3.6 104.0 1.5 109.0 6.0 117.0 1.9 118.0 1.6 119.0 1.7 120.0 25.0 121.0 2.3 130.0 1.0 131.0 13.8 132.0 1.5 139.0 19.4 140.0 1.7 162.0 10.1 163.0 1.1 189.0 14.6 190.0 14.8 191.0 1.7 213.0 1.3
400 MHz in DMSO-d6
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1H NMR 399.65 MHz C17 H16 N2 O5 0.036 g : 0.5 ml DMSO-d6 N-acetyl-DL-phenylalanine p-nitrophenyl ester 
Assign. Shift(ppm)
A 8.69 B 8.306 C 7.34 D 7.29 E 7.25 F 4.64 G 3.156 J 1.894
Hz ppm Int.3472.90 8.690 122 3466.43 8.674 121 3324.46 8.319 311 3315.43 8.296 333 3312.26 8.288 55 2939.09 7.355 303 2936.52 7.348 346 2933.72 7.341 845 2908.81 7.279 125 2901.12 7.260 352 2891.97 7.237 336 1859.50 4.653 87 1851.56 4.633 94 1268.68 3.175 124 1261.47 3.157 209 1252.69 3.135 116 757.08 1.895 1000
KBr disc
nujol mull
