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L-CYSTEINE For Biochemistry
| Article No. | Grade | Purity | CAS No. | Molecular Formula | Molecular Weight | H.S. Code | Shelf Life |
|---|---|---|---|---|---|---|---|
| SC0599 | For Biochemistry | 99% | 52-90-4 | C3H7NO2S | 121.16 | 2930.904 | 60 Months |
Packings
| 5 g,25 g,500 g |
Physical Properties
| Physical state at 20 °C | Solid |
| Colour | Colorless crystalline |
| Melting point/ Freezing point [°C] | 220 °C |
| Solubility in water [% weight] | Appreciable (> 10%) |
Specifications
| Appearance | Colorless crystalline powder |
| Assay | Min. 99% |
| Specific optical rotation ([α]20/D) | +8.0° to +9.0° |
| UV absorbance | Max. 0.5 |
| Loss on drying (at 105°C; 4 hrs) | Max. 0.3% |
| Chloride (Cl) | Max. 0.002% |
| Sulphate (SO4) | Max. 0.01% |
| Heavy metal (as Pb) | Max. 0.001% |
| Ammonium (NH4) | Max. 0.01% |
| Foreign amino acids | Max. 0.5% |
| Other ninhydrin positive substances (as glycine) | Max. 0.1% |
Safety Information and Hazard Symbols
|
|
|---|---|
| Symbol | GHS07 |
| Signal Word | Warning |
| UN No. | |
| IMCO Class No. | |
| Packing Group | |
| Hazardous Statement | H302 |
| Precaution Statement | |
| Risk Statement | |
| Safety Statement | |
Revision Date : 15-Jan-2015
Certificate of Analysis (COA's)
To download COA please enter the batch number below