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L-GLUTAMINE For Biochemistry Pyrogen free for bacteriology and tissue culture. Used as a substrate in determination of glutamyl transferase. S)-2,5-Diamino-5-oxopentanoic acid, L-Glutamic acid 5-amide
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Description
| Article No. | 03960 | Grade | For Biochemistry |
| Purity | 99% | CAS No. | 56-85-9 |
| Molecular Formula | C5H10N2O3 | Molecular Weight | 146.15 |
| H.S. Code | 2924.2990 | Shelf Life | 60 Months |
Physical Properties
| Physical state at 20 °C | Solid | Colour | White powder | ||||
| Odour | Odorless | pH value | 5 – 6 at 14.6 g/l at 25 °C | ||||
| Melting point/ Freezing point [°C] | 185 °C | Solubility in water [% weight] | 14.6 g/l at 20 °C – completely soluble | ||||
| Partition coefficient Log Pow octanol / water at 20°C | -4.069 | ||||||
Specifications
| Appearance | A white powder | Assay (by HClO4 titration) | Min 99% |
| Specific optical rotation ([α]20/D) | 6.3 – 7.3° (4% in water, at 20°C) | Heavy metal (as Pb) | Max 0.001% |
| Ammonium (NH4) | Max 0.1% | Foreign amino acids | Max 0.3% |
| Other ninhydrin positive substances (as glycine) | Max 0.1% |
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