Product Name4-Hydroxy-3,5-dimethylbenzoic acid
CAS4919-37-3
Molecular FormulaC9H10O3
Molecular Weight166.17
InChIInChI=1S/C9H10O3/c1-5-3-7(9(11)12)4-6(2)8(5)10/h3-4,10H,1-2H3,(H,11,12)
InChIKey OMNHTTWQSSUZHO-UHFFFAOYSA-N
SmilesC(O)(=O)C1=CC(C)=C(O)C(C)=C1

Mass
MS-KW-0187 4-hydroxy-3,5-dimethylbenzoic acid C9H10O3 (Mass of molecular ion: 166)
Source Temperature: 170 °C Sample Temperature: 130 °C Direct, 75 eV
18.0 2.5
27.0 2.2
28.0 1.9
39.0 5.0
41.0 2.3
43.0 3.9
44.0 2.0
45.0 2.2
50.0 1.5
51.0 4.6
52.0 1.5
53.0 4.0
55.0 1.5
62.0 1.0
63.0 2.5
65.0 4.7
66.0 1.1
67.0 1.8
69.0 4.0
74.0 1.9
77.0 12.8
78.0 2.7
79.0 2.3
91.0 11.4
92.0 1.6
93.0 4.3
94.0 1.0
103.0 4.2
104.0 1.4
105.0 1.0
107.0 7.8
119.0 1.7
120.0 3.2
121.0 60.6
122.0 9.5
123.0 1.2
148.0 2.6
149.0 48.2
150.0 5.2
151.0 5.5
165.0 8.4
166.0 100.0
167.0 10.1
168.0 1.1
400 MHz in DMSO-d6

| 1H NMR | 399.65 MHz |
| C9 H10 O3 | 0.037 g : 0.5 ml DMSO-d6 |
| 4-hydroxy-3,5-dimethylbenzoic acid | |
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Assign. Shift(ppm) |
Hz ppm Int.
3608.20 9.029 28
3027.01 7.575 315
885.24 2.216 1000
in DMSO-d6

KBr disk

Nujol

4-Hydroxy-3,5-dimethylbenzoic acid(4919-37-3) 13C NMR Atlas of Related Products