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L-CYSTINE For Biochemistry
| Article No. | Grade | Purity | CAS No. | Molecular Formula | Molecular Weight | H.S. Code | Shelf Life |
|---|---|---|---|---|---|---|---|
| SC0601 | For Biochemistry | 98.50% | 56-89-3 | C6H12N2O4S2 | 240.3 | 2930.9040 | 60 Months |
Packings
| 25 g,100 g,500 g |
Physical Properties
| Physical state at 20 °C | Solid |
| Colour | Colorless crystalline |
| Melting point/ Freezing point [°C] | > 240 °C |
| Solubility in water [% weight] | Soluble in water |
Specifications
| Appearance | White to off white powder |
| Assay | 98.5 - 101% |
| Specific optical rotation ([α]20/D; 20 g/L in 1 mol/L HCl; on dried substance) | -218 to -224° |
| Chloride (Cl) | Max 0.05% |
| Sulphate (SO4) | Max 0.03% |
| Ammonium (NH4) | Max 0.02% |
| Ninhydrin positive substance | Max 0.2% |
| Loss on drying (at 110°C) | Max 0.5% |
| Sulphated ash | Max 0.1% |
| Iron (Fe) | Max 0.002% |
| Lead (Pb) | Max 0.001% |
Safety Information and Hazard Symbols
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Revision Date : 07-Mar-2018
Certificate of Analysis (COA's)
To download COA please enter the batch number below