IPTG(367-93-1) IR1
Molecular FormulaC9H18O5S
Molecular Weight238.3
InChIInChI=1/C9H18O5S/c1-4(2)15-9-8(13)7(12)6(11)5(3-10)14-9/h4-13H,3H2,1-2H3/t5-,6+,7+,8-,9+/s3
InChIKey BPHPUYQFMNQIOC-HDUSTNMVNA-N
SmilesS([C@H]1[C@@H]([C@@H](O)[C@@H](O)[C@@H](CO)O1)O)C(C)C |&1:1,2,3,5,7,r|
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![](https://www.chemicalbook.com/Spectrum/367-93-1_MS.gif)
Mass
MS-IW-2393
isopropyl 1-thio-beta-D-galactopyranoside
C9H18O5S (Mass of molecular ion: 238)
Source Temperature: 170 °C
Sample Temperature: 160 °C
Direct, 75 eV
15.0 2.3
18.0 2.9
19.0 4.5
27.0 10.0
28.0 3.8
29.0 9.3
31.0 13.9
39.0 5.5
40.0 1.0
41.0 21.4
42.0 5.1
43.0 51.3
44.0 3.6
45.0 21.6
46.0 1.4
47.0 7.6
48.0 1.0
53.0 2.8
55.0 7.3
56.0 6.3
57.0 37.7
58.0 2.8
59.0 8.8
60.0 37.6
61.0 32.9
62.0 1.0
63.0 21.9
65.0 1.1
69.0 18.9
70.0 4.0
71.0 14.5
72.0 3.8
73.0 100.0
74.0 11.1
75.0 6.4
76.0 10.4
77.0 5.8
81.0 4.0
83.0 2.1
85.0 48.9
86.0 3.8
87.0 11.5
88.0 1.6
89.0 6.8
90.0 1.2
91.0 94.6
92.0 3.7
97.0 17.4
98.0 4.0
99.0 6.6
101.0 10.5
102.0 1.6
103.0 13.6
105.0 12.1
109.0 3.0
115.0 8.2
116.0 1.4
117.0 2.1
118.0 2.7
119.0 1.5
127.0 16.7
128.0 3.6
129.0 1.2
131.0 1.0
133.0 1.2
144.0 12.5
145.0 33.0
146.0 3.5
147.0 10.2
148.0 1.2
149.0 1.7
161.0 1.5
162.0 6.9
163.0 11.1
164.0 1.0
194.0 1.9
195.0 6.2
220.0 7.3
238.0 1.6