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16 Nov 2019
Shown below is the output from a search of the NIST mass spectral database. Discuss the identity of this compound based on the data provided.
A* Search Report Page 1 of 1 Unknown: Scan 907 (6.922 m n): Paly ethylene terephthalate A py2.Didata. ms Compound in Library Factor--185 105 100 50 227 122 35 49 62 181 98 0- 32 39 65 30 40 50 60 70 80 90 100 110 120 130 40 150 160 170 180 190 200 210 220 230 240 Hit 1 Ethanane, 2-(formyloxy)-1-phenyl- C9H8O3; MF: 885: RMF: 956; Prob 9.28%, CAS: 55153-12-3; Lib: mainlib; ID: 66804. 105 100 50 164 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180 190 200 210 220 230 240 Hit 2 Vinyl benzoate C9H802, MF: 873; RMF: 907; Prob 6.18%, GAS: 769-78-8; Lib: replib; ID: 13758. 105 100 50 39 56 65 130 48 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180 190 200 210 220 230 240
Shown below is the output from a search of the NIST mass spectral database. Discuss the identity of this compound based on the data provided.
A* Search Report Page 1 of 1 Unknown: Scan 907 (6.922 m n): Paly ethylene terephthalate A py2.Didata. ms Compound in Library Factor--185 105 100 50 227 122 35 49 62 181 98 0- 32 39 65 30 40 50 60 70 80 90 100 110 120 130 40 150 160 170 180 190 200 210 220 230 240 Hit 1 Ethanane, 2-(formyloxy)-1-phenyl- C9H8O3; MF: 885: RMF: 956; Prob 9.28%, CAS: 55153-12-3; Lib: mainlib; ID: 66804. 105 100 50 164 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180 190 200 210 220 230 240 Hit 2 Vinyl benzoate C9H802, MF: 873; RMF: 907; Prob 6.18%, GAS: 769-78-8; Lib: replib; ID: 13758. 105 100 50 39 56 65 130 48 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180 190 200 210 220 230 240