L-proline
The basic information of L-proline
1. Chemical structure
Molecular formula: C₅H₉NO₂
Molecular weight: 115.13 g/mol
Structural features: The α -amino group forms a five-membered ring (pyrrolidine ring) with the methylene group (-CH₂-) of the side chain, which belongs to an imino acid (the amino group is replaced by an imino, -NH-).
2. CAS Number: 147-85-3
3. Appearance: White crystalline powder, odorless, slightly sweet in taste.
4. Optical activity: The naturally occurring type is L-shaped and has optical activity, with a specific optical rotation of approximately -85.0° to -88.5 ° (water, c=10).
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