L-Cysteine
( 52-90-4 | CLS-CHU-889-100g )
Our packs are available in standard sizes, but we can also customize them to meet your specific requirements. Pack sizes are listed alongside the catalog number.
Example: Catalog Number – Pack Size.
| CAS: | 52-90-4 |
|---|---|
| Molecular Formula: | HSCH2CH(NH2)CO2H |
| Molecular Weight: | 121.16 |
Product Detail
| Product Name | L-Cysteine |
| Categories | Amino Acids |
| CAS | 52-90-4 |
| Molecular Formula | HSCH2CH(NH2)CO2H |
| Molecular Weight | 121.16 |
| CLS CAT Numbers | CLS-CHU-889-100g |
| Prepack Size | 100g |
Product Specification
| Specific rotation | +8.3° to +9.5° |
| pH | 4.5 – 5.5 |
| Loss on Drying | ≤ 0.5% |
| Sulfate (SO4) | ≤ 0.03% |
| Chloride (Cl) | ≤0.2% |
| Assay | 98.0 – 101.0% |
| Residue on Ignition | ≤ 0.1% |
| Appearance | White crystalline powder |
| Iron (Fe) | ≤ 10ppm |
| Heavy metals (as Pb) | ≤ 10ppm |
| Arsenic (As2O3) | ≤ 1ppm |
| Ammonium (NH4) | ≤ 0.02% |
| State of Solution | ≥ 95.0% |
| Identification (RAMAN) | Conforms to Reference |
