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High-purity pharmaceutical-grade material compliant with USP, EP, and JP monographs.
Strictly controlled manufacturing process ensuring batch-to-batch consistency and low endotoxin levels.
Optimized crystalline structure for enhanced solubility and stability in aqueous formulations.
Produced under GMP conditions with full traceability and comprehensive CoA documentation.
Free from heavy metals, residual solvents, and microbial contamination per ICH Q5D and Q7 guidelines.
Active pharmaceutical ingredient (API) in mucolytic drugs such as acetylcysteine-based formulations.
Stabilizer and reducing agent in parenteral nutrition solutions and injectable biologics.
Key excipient in lyophilized protein therapeutics to prevent disulfide bond scrambling.
Component in oral rehydration salts and pediatric nutritional supplements requiring redox balance.
Raw material for synthesis of glutathione and other thiol-containing bioactive compounds.
| Chemical Type | L-Cysteine hydrochloride monohydrate |
| Product Form | White to off-white crystalline powder |
| Appearance | Free-flowing, odorless crystals |
| Assay (on dried basis) | 98.5–101.5% |
| Loss on Drying | 7.0–9.0% |
| pH (5% aqueous solution) | 1.5–2.5 |
| Heavy Metals (as Pb) | ≤ 10 ppm |
| Sulfated Ash | ≤ 0.1% |
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E-mail: wangxingqiang@ericwchem.com
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Building A1, Jiete Industrial Park, Huangpu District, Guangzhou City, Guangdong Province, China
