N-Desmethyltapentadol
| Product reference number | TAP-1801-FB |
| Full chemical name | 3-[(1R,2R)-3-(Monomethylamino)-1-ethyl-2-methylpropyl]phenol |
| Formula | C13H21NO |
| Molecular weight | 207.31 |
| Chemical abstract number | 1246819-18-0 |
| Appearance | white to off-white crystalline powder |
| IR | IR corresponds |
| NMR | corresponds to structure |
| MS | MH+ corresponds |
| UV max [nm] (mol, solvent) | 217.0±1.0 (7000±700, methanol) ; 274.0±1.0 (2200±200, methanol) |
| Melting point [Celsius] | 125±3 |
| HPLC purity [%] | >98.5 |
| Optical rotation (conc., solvent) | - 14±3 (C=1, methanol) |
| Water content [%] | <1 |