L-carnosine is a naturally occurring histidine-containing compound, and the biological function of this dipeptide is to act as a cytosolic buffer. Other functions of L-carnosine include acting as a neurotransmitter, regulating enzyme activity, and chelating heavy metals.
| Property | Value |
| Melting Point | 253 °C (dec.) (lit.) |
| Specific Rotation | 20.9 ° (c=1.5, H2O) |
| Boiling Point | 367.84°C (rough estimate) |
| Density | 1.2673 (rough estimate) |
| Vapor Pressure | 0Pa at 25°C |
| Refractive Index | 21 ° (C=2, H2O) |
| Storage Condition | -20°C |
| Solubility | Soluble in DMSO (very slightly), water (slightly) |
| pKa | 2.62 (at 25°C) |
| Form | Crystal |
| Color | White |
| Odor | Odorless |
| Optical Rotation | +24.120 |
| Water Solubility | almost transparency |
| Merck | 14,1850 |
| BRN | 87671 |
| Stability | Stable, but may be heat sensitive - store cold. Incompatible with strong oxidizing agents. |
| InChIKey | CQOQVPNPILQNMDC-ZETCQYMHSA-N |
| LogP | -3.8 at 22°C |
| CAS Database | 305-84-0(CAS DataBase Reference) |
| EPA Chemistry Info | L-Histidine, beta-alanyl- (305-84-0) |