L-Histidine
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China, Nanjing
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Description
Product Description
1. L-Histidine
CAS No.: 71-00-1
Molecule Formula: C6H9N3O2
Molecule Weight: 155.16
Description: White crystals or crystalline powder; Acid taste., soluble in water. Practically insoluble in ether or ethanol.
Manufacture Standards: AJI92
Specification
Specific rotation +11.8-+12.8°
Heavy metals ≤ 10ppm
Water content ≤ 0.20
Residue on ignition ≤ 0.10%
Assay 98.5-101.0%
pH 7.0-8.5
Mainly uses:
Used in medicine
| Specific rotation | +11.8-+12.8° |
| Heavy metals | ≤10ppm |
| Water content | ≤0.20% |
| Residue on ignition | ≤0.10% |
| assay | 98.5-101.0% |
| pH | 7.0-8.5 |
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L-Histidine
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