Product NameCephalexin
CAS15686-71-2
Molecular FormulaC16H17N3O4S
Molecular Weight347.39
InChIInChI=1S/C16H17N3O4S/c1-8-7-24-15-11(14(21)19(15)12(8)16(22)23)18-13(20)10(17)9-5-3-2-4-6-9/h2-6,10-11,15H,7,17H2,1H3,(H,18,20)(H,22,23)/t10-,11-,15-/m1/s1
InChIKey ZAIPMKNFIOOWCQ-UEKVPHQBSA-N
SmilesN12[C@@]([H])([C@H](NC([C@H](N)C3=CC=CC=C3)=O)C1=O)SCC(C)=C2C(O)=O

Mass
MS-IW-3434 cefalexin C16H17N3O4S (Mass of molecular ion: 347)
Source Temperature: 190 °C Sample Temperature: 190 °C Direct, 75 eV
12.0 1.0
16.0 2.2
17.0 1.1
18.0 2.9
27.0 2.5
28.0 14.1
29.0 3.6
30.0 3.4
32.0 5.6
33.0 5.1
34.0 13.0
39.0 5.8
40.0 1.7
41.0 9.9
42.0 3.3
43.0 1.8
44.0 89.5
45.0 6.5
46.0 3.5
47.0 4.3
50.0 1.7
51.0 5.2
52.0 2.2
53.0 3.3
54.0 3.3
55.0 15.6
56.0 5.4
57.0 2.8
59.0 1.9
60.0 3.8
63.0 1.8
65.0 1.3
67.0 1.5
68.0 3.9
69.0 3.0
70.0 3.3
71.0 2.2
72.0 3.2
73.0 4.6
74.0 2.2
75.0 1.1
76.0 1.5
77.0 12.9
78.0 4.4
79.0 8.6
80.0 2.3
81.0 1.5
82.0 2.1
85.0 2.4
86.0 2.5
87.0 5.7
88.0 2.1
89.0 6.6
90.0 6.4
91.0 10.9
92.0 1.5
93.0 1.1
94.0 1.6
95.0 2.9
97.0 1.0
99.0 3.1
100.0 7.8
101.0 3.3
102.0 1.2
103.0 2.1
104.0 16.2
105.0 7.9
106.0 43.1
107.0 5.2
108.0 1.9
109.0 1.2
112.0 3.3
113.0 1.8
114.0 8.9
115.0 12.4
116.0 6.1
117.0 2.8
118.0 13.8
119.0 1.9
120.0 1.2
122.0 1.4
125.0 1.2
126.0 2.4
127.0 2.6
128.0 1.9
129.0 6.1
130.0 1.6
131.0 1.0
132.0 11.1
133.0 3.1
134.0 1.0
135.0 1.0
137.0 1.1
137.5 2.0
138.0 1.2
140.0 1.5
141.0 5.8
142.0 7.1
143.0 5.4
144.0 2.3
145.0 1.1
146.0 1.2
147.0 2.0
148.0 1.2
149.0 1.2
154.0 1.2
155.0 1.2
156.0 13.8
157.0 2.5
158.0 2.0
160.0 1.4
161.0 9.1
162.0 1.2
169.0 1.3
170.0 12.1
171.0 3.6
172.0 1.5
173.0 1.1
176.0 5.6
181.0 2.5
186.0 1.6
188.0 5.0
189.0 9.5
190.0 2.9
191.0 1.2
197.0 6.0
198.0 4.2
199.0 1.4
200.0 5.8
201.0 1.3
202.0 1.2
212.0 20.8
213.0 3.0
214.0 2.3
215.0 2.1
217.0 6.2
218.0 1.4
226.0 5.8
227.0 1.3
228.0 8.5
229.0 2.5
230.0 2.2
231.0 1.1
232.0 6.5
233.0 2.6
234.0 1.3
241.0 2.9
242.0 1.5
256.0 3.4
257.0 1.7
259.0 1.2
260.0 1.3
261.0 15.6
262.0 2.5
270.0 1.3
274.0 1.3
285.0 4.4
286.0 4.0
288.0 1.3
301.0 2.5
302.0 3.0
303.0 100.0
304.0 19.1
305.0 6.5
306.0 1.0
355.0 2.3
KBr disc

nujol mull

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