3-Hydroxybutyric acid (BHB)

Chemical Information
3-hydroxybutyric acid is a straight-chain 3-hydroxy monocarboxylic acid comprising a butyric acid core with a single hydroxy substituent in the 3- position; a ketone body whose levels are raised during ketosis, used as an energy source by the brain during fasting in humans. Also used to synthesise biodegradable plastics. It has a role as a human metabolite. It is a hydroxybutyric acid, a 3-hydroxy monocarboxylic acid and an (omega-1)-hydroxy fatty acid. It is functionally related to a butyric acid. It is a conjugate acid of a 3-hydroxybutyrate.
| CAS Number | 300-85-6 |
| PubChem CID | 441 |
| IUPAC Name | 3-hydroxybutanoic acid |
| Molecular Formula | C4H8O3 |
| Molecular Weight | 104.10 |
| XLogP | -0.5 |
| Topological Polar Surface Area | 57.5 |
| Hydrogen Bond Donor Count | 2 |
| Hydrogen Bond Acceptor Count | 3 |
| Rotatable Bond Count | 2 |
| Heavy Atom Count | 7 |
| Formal Charge | 0 |
| Complexity | 69 |
| Property | Value |
|---|---|
| Molecular Weight | 104.10 |
| XLogP3 | -0.5 |
| Hydrogen Bond Donor Count | 2 |
| Hydrogen Bond Acceptor Count | 3 |
| Rotatable Bond Count | 2 |
| Exact Mass | 104.047344113 |
| Monoisotopic Mass | 104.047344113 |
| Topological Polar Surface Area | 57.5 Ų |
| Heavy Atom Count | 7 |
| Formal Charge | 0 |
| Complexity | 69.3 |
| Isotope Atom Count | 0 |
| Defined Atom Stereocenter Count | 0 |
| Undefined Atom Stereocenter Count | 1 |
| Defined Bond Stereocenter Count | 0 |
| Undefined Bond Stereocenter Count | 0 |
| Covalently-Bonded Unit Count | 1 |
| Compound Is Canonicalized | Yes |
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