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High-purity, anhydrous form meeting stringent ICH Q5C and Q7 guidelines for pharmaceutical excipients.
Optimized crystalline structure ensuring excellent solubility and consistent dissolution profile in aqueous formulations.
Manufactured under certified ISO 9001 and ISO 22000 quality management systems with full traceability.
Free from animal-derived materials and compliant with EU Directive 2001/83/EC for human medicinal products.
Stable shelf life of ≥24 months when stored at 2–8 °C in original sealed packaging under inert atmosphere.
Reducing agent in parenteral formulations to prevent oxidation of labile active pharmaceutical ingredients (APIs).
Stabilizer in lyophilized biologics, including monoclonal antibodies and recombinant proteins.
Key component in amino acid-based intravenous nutrition solutions (TPN) for critical care patients.
Excipient in oral solid dosage forms requiring redox control during manufacturing and storage.
Raw material for synthesis of glutathione and other thiol-containing pharmaceutical intermediates.
| Chemical Type | L-Cysteine hydrochloride monohydrate-free anhydrous salt |
| Product Form | White to off-white crystalline powder |
| Appearance | Free-flowing, odorless crystals |
| Assay (on dried basis) | 98.5–101.0% (HPLC) |
| Loss on Drying | ≤0.5% (105 °C, 2 h) |
| Residue on Ignition | ≤0.1% |
| pH (5% w/v aqueous solution) | 1.5–2.5 |
| Heavy Metals (as Pb) | ≤10 ppm |
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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
