L-Histidine CAS No.71-00-1
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Category：Pharmaceutical Materials | Brand：MT
Factory Direct
7-30 Days Lead Time
MOQ: 100KG
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Introduction
L-HISTIDINE
CAS No.: 71-00-1
Molecular Formula: C₆H₉N₃O₂
Molecular Weight: 155.16 g/mol
1. DESCRIPTION
- Appearance: White or almost white crystalline powder/colorless crystals
- Solubility:
- Freely soluble in water
- Very slightly soluble in alcohol
- Insoluble in ether
- Melting Point: 277°C–288°C (with decomposition)
2. SPECIFICATIONS
| Parameter | Standard Value |
|---|---|
| Appearance of Solution | Clear; ≤ reference solution BY7 |
| Assay | 98.5%–101.0% |
| Specific Optical Rotation | +11.4° to +12.4° |
| Ninhydrin-Positive Impurities | ≤0.5% (any single impurity) |
| Chloride (Cl) | ≤0.02% |
| Sulfate (SO₄) | ≤0.03% |
| Ammonium (NH₄) | ≤0.02% |
| Iron (Fe) | ≤10 ppm |
| Heavy Metals | ≤10 ppm |
| Loss on Drying | ≤0.5% |
| Residue on Ignition | ≤0.1% |
3. APPLICATIONS
- Nutritional Supplement:
- Essential component in amino acid infusions and complex preparations.
- Medical Uses:
- Treatment of gastric ulcers, anemia, and allergic conditions.
- Supports histamine synthesis and immune function.
4. PACKAGING & STORAGE
- Packaging: 25 kg/drum (or as per customer requirements).
- Storage: Cool, dry place; protect from light.
5. NOTES
- Stability: Stable under recommended storage conditions.
- Handling: Avoid prolonged exposure to moisture.
Disclaimer:
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