Question

What is the identity of this substance?

Decay point - 160 degrees celsius

Positive for Ferric Chloride and 2,4-DNPH tests

Dissolved in NaOH

18.0 6.6 26.0 3.5 27.0 5.4 28.0 1.7 29.0 1.0 37.0 1.2 100 80 38.0 1.8 39.0 5.0 40.0 1.9 40.5 1.0 41.0 2.6 42.0 1.3 44.0 1.1 50.0 2.1 51.0 3.6 52.0 13.7 53.0 6.7 54.0 7.1 54.5 4.8 55.0 3.3 61.θ 1.0 62.0 1.4 63.0 2.6 64.0 2.6 65.0 2.4 66.0 1.0 68.0 1.3 60- 40 20- 0 25 50 75 100 125 150 m/z 79.0 2.9 80.0 37.3 81.8 11.1 82.0 3.7 91. 1.0 107.0 11. 108.0 13.1 109.0 100.0 110.0 7.