AnodynePentobarbital
| Pentobarbital | |
|---|---|
 |
| Salts [] | |
|---|---|
| Sodium Pentobarbital | |
| Molecular structure via molpic based on CDK |
| Rotamer [] | |
|---|---|
| Conformer structure via 3Dmol.js |
| Physical properties [] | |
|---|---|
| Molecular mass | 226.27 g/mol [1] |
| Appearance | Crystals from alcohol [1] |
| Odor | Practically odorless [1] |
| Melting point | 130 °C [1] |
| Decomposition | When heated to decomposition it emits toxic fumes of /nitric oxide/. [1] |
| Solubility | A white, hygroscopic, crystalline powder or granules, odorless or with a slight characteristic odor, with a slightly bitter taste. Very sol in water and alcohol; practically insol in ether. A 10% soln in water has pH of 9.6 to 11 and slowly decomposes. /Pentobarbitone sodium/ [1] |
| Predicted LogP | 2.1 [1] |
| Structural Identifiers [] | |
|---|---|
| Molecular formula | C11H18N2O3 [1] |
| IUPAC name | 5-ethyl-5-pentan-2-yl-1,3-diazinane-2,4,6-trione [1] |
| SMILES | CCCC(C)C1(C(=O)NC(=O)NC1=O)CC [1] |
| InChI | InChI=1S/C11H18N2O3/c1-4-6-7(3)11(5-2)8(14)12-10(16)13-9(11)15/h7H,4-6H2,1-3H3,(H2,12,13,14,15,16) [1] |
| InChIKey | WEXRUCMBJFQVBZ-UHFFFAOYSA-N [1] |
Pentobarbital (also known as Pentobarbital, Pentobarbitone, Nembutal, Mebubarbital, Pentobarbituric acid, Ethaminal, Dorsital, Mebumal, 76-74-4 or Rivadorm) is a
Chemistry
Salts []
Pentobarbital is typically found in the form of its sodium salt.
Stereochemistry []
Pentobarbital is a racemic mixture of the enantiomers
Pharmacology
ATC Classification
In the nervous system (N) pentobarbital actsMetabolism
Subjective effects []
See also []
External links []
References []
National Center for Biotechnology Information. PubChem Compound Summary for CID 4737, Pentobarbital. Accessed February 11, 2026. https://pubchem.ncbi.nlm.nih.gov/compound/4737
U.S. Food and Drug Administration; National Center for Advancing Translational Sciences. Pentobarbital. UNII: I4744080IR. Global Substance Registration System. Accessed February 11, 2026. https://gsrs.ncats.nih.gov/ginas/app/beta/substances/I4744080IR