L-Cysteine Hcl L-cysteine hydrochloride CAS: 7048-04-6
Product Name: L-Cysteine Hcl
Molecular Formula: C3H7NO2S·HCl·H2O
Molecular Weight: 175.64
CAS No: 7048-4-6
Item | Standard |
Appearance | White crystals or crystalline Powder |
Assay (%) | 98.5~101.0 |
Loss on drying (%) | ≤ 0.30 |
Residue on ignition (%) | ≤ 0.10 |
Heavy metal (Pb) | ≤ 15 ppm |
Arsenic (%) | ≤ 0.30 |
Specific Rotation | -84.5°~-86.0° |
Sulfate (SO4) (%) | ≤ 0.02 |
Chloride (Cl) (%) | ≤ 0.05 |
Melting point ( ℃) | 228 °C (dec.)(lit.) |
Iron (Fe) | ≤ 10 ppm |
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