L-Proline CAS 147-85-3 Natural Cyclic Amino Acid High Stability Organic Chemistry
L-Proline (CAS 147-85-3) is a natural cyclic amino acid widely used in organic synthesis and biochemical research. It plays an important role as a building block in peptide synthesis and various biological processes due to its unique pyrrolidine structure.
It is commonly applied in pharmaceutical intermediates, fermentation processes, and fine chemical production because of its excellent stability and solubility characteristics.
- Natural cyclic amino acid structure
- High chemical and thermal stability
- Good water solubility
- Biologically active building block
- Suitable peptide synthesis use
- High purity fermentation grade
- Consistent batch quality
- Versatile organic intermediate
- Peptide synthesis
- Pharmaceutical intermediate production
- Biochemical research
- Fermentation industry use
- Food and nutrition studies
- Cosmetic ingredient development
- Organic synthesis building block
- Laboratory research applications
| Item | Specification |
|---|---|
| Product Name | L-Proline |
| CAS Number | 147-85-3 |
| Molecular Formula | C5H9NO2 |
| Molecular Weight | 115.13 g/mol |
| Appearance | White crystalline powder |
| Purity | ≥ 99% |
| Melting Point | 228–233°C |
| Solubility | Highly soluble in water |
| Assay Method | HPLC |
| Loss on Drying | ≤ 0.5% |
| Storage Condition | Cool, dry, sealed container |
L-Proline is a cyclic imino acid with a rigid structure that influences protein folding and peptide conformation. Its unique ring structure enhances stability in biochemical systems and makes it an essential component in many synthetic and biological applications.
- High purity amino acid grade
- Excellent water solubility
- Strong structural stability
- Widely used in peptide chemistry
- Reliable fermentation compatibility
- Consistent industrial quality
Store in a tightly sealed container in a cool, dry, and well-ventilated environment. Avoid moisture absorption and contamination.
- 25 kg fiber drum
- 1 kg / 5 kg sealed bag
- Customized packaging available
Each batch is tested for purity, optical rotation, moisture content, and assay value using standard analytical methods to ensure consistent quality for research and industrial applications.
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