Veratric Acid (C9 H10 O4)
Authors: Sally Ralph, John Ralph, Larry L. Landucci
From: NMR Database of Lignin and Cell Wall Model Compounds.
Natural Isotopic formula weight: 182.1733
This is of the category: Monomers
Concentration: 110 mg/ml (Source: John Ralph)
Spectrometer: Bruker WM - 250 MHz
Assigned chemical shifts
| Atom ID | Author Nomenclature | Value | Ambiguity Code |
|---|---|---|---|
| C1 | OMe | 56.02 | 4 |
| C2 | OMe | 56.06 | 4 |
| C5 | 2 | 110.36 | 1 |
| C4 | 5 | 112.38 | 1 |
| C6 | 1 | 121.77 | 1 |
| C3 | 6 | 124.61 | 1 |
| C8 | 3 | 148.72 | 1 |
| C7 | 4 | 153.78 | 1 |
| C9 | A | 172.08 | 1 |
| H14 | OMe | 3.94 | 4 |
| H16 | OMe | 3.94 | 4 |
| H15 | OMe | 3.94 | 4 |
| H17 | OMe | 3.95 | 4 |
| H18 | OMe | 3.95 | 4 |
| H19 | OMe | 3.95 | 4 |
| H22 | 2 | 7.60 | 1 |
| H21 | 5 | 6.92 | 1 |
| H20 | 6 | 7.78 | 1 |
| Atom ID | Author Nomenclature | Value | Ambiguity Code |
|---|---|---|---|
| C1 | OMe | 56.08 | 4 |
| C2 | OMe | 56.12 | 4 |
| C5 | 2 | 111.64 | 1 |
| C4 | 5 | 113.34 | 1 |
| C6 | 1 | 123.64 | 1 |
| C3 | 6 | 124.42 | 1 |
| C8 | 3 | 149.89 | 1 |
| C7 | 4 | 154.37 | 1 |
| C9 | A | 167.53 | 1 |
| Atom ID | Author Nomenclature | Value | Ambiguity Code |
|---|---|---|---|
| C1 | OMe | 55.41 | 4 |
| C2 | OMe | 55.58 | 4 |
| C5 | 2 | 110.93 | 1 |
| C4 | 5 | 111.93 | 1 |
| C6 | 1 | 122.98 | 1 |
| C3 | 6 | 123.16 | 1 |
| C8 | 3 | 148.30 | 1 |
| C7 | 4 | 152.60 | 1 |
| C9 | A | 167.08 | 1 |