Authored with adherence to EEAT (Expertise, Authoritativeness, Trustworthiness), this resource provides science-backed, reference-validated detail that aligns with global industrial standards.
Hebei Fuyang Biotechnology Co., LTD
Website: https://www.hbfuyangbio.com
E-mail: info@hbfuyangbio.com
Tel/WhatsApp: +8618903314095
Address: Xinle Industrial Park, Shijiazhuang, Hebei Province, China

Product Introduction: l cysteine hydrochloride monohydrate
L-Cysteine Hydrochloride Monohydrate is a high-purity, crystalline amino acid compound available as a white, odorless powder. As a derivative of natural L-cysteine, it delivers outstanding solubility and excellent functional efficacy across industries—from pharmaceuticals to protein food additives and cosmetic formulations.
Product URL: https://www.hbfuyangbio.com/l-cysteine-hydrochloride-monohydrate.htmlMain Functions:
- Precursor in biochemical synthesis and pharmaceutical APIs.
- Effective reducing agent in food antioxidant formulations, baking processes, and peptide production.
- Vital in detoxification and chelation applications.
- Stabilizing agent in cosmetic and nutraceutical preparations.
Industry Trend Overview
The global market for l cysteine hydrochloride monohydrate is projected to register a CAGR above 5% during 2023-2028 (MarketsandMarkets), driven by surging demand for clean-label food ingredients, expansion in pharmaceuticals, and increasing utilization in biotechnology applications. Advances in fermentation techniques and synthetic biology have drastically improved yield and purity, further boosting its adoption.
Typical Technical Parameters – l cysteine hydrochloride monohydrate
Property | Specification | Testing Method | Industry Benchmark |
---|---|---|---|
Appearance | White crystalline powder | Visual Inspection | Pharmacopeia |
Purity (Assay) | ≥ 99.0% | HPLC | USP/EP/JP |
CAS Number | 7048-04-6 | N/A | Global Registry |
Water Content | 8.5% – 12.0% | Loss on Drying | Industry Standard |
pH (1% sol.) | 1.5 – 2.0 | Potentiometry | Food/Pharma Grade |
Residue on Ignition | ≤ 0.10% | Gravimetry | USP/EP |
Chloride Content (Cl) | 19.0% – 19.5% | Titration | Pharma/Food |
Heavy Metals (Pb) | < 10ppm | AAS/ICP-MS | USP |
Sulfate (SO4) | < 0.02% | USP/EP | Pharma/Food |
Main Technical Indicator Data Visualization
Application Scenarios
- Food & Baking Additive: Utilized as a dough conditioner, reducing agent and flavor-enhancing additive; improves texture, elasticity, and shelf stability of processed flour blends (Reference).
- Pharmaceutical Synthesis: Essential amino acid for intravenous nutrition formulas, excipients, and S-adenosylmethionine (SAMe) production; guarantees purity in parenteral and oral medications.
- Cosmetic & Skincare: Reduces oxidative stress, stabilizes proteins in anti-aging and hydrating formulations, and acts as a chelating agent for heavy metals removal in skin detox products.
- Biochemical R&D: Used in enzyme and peptide synthesis, laboratory reagent blends for redox assays, and cell culture medium enhancement.
- Biotechnology & Medical Diagnostics: Plays a role in diagnostic reagent kits (e.g., for protein unfolding), purification of recombinant proteins, and high-throughput screening protocols.
Technical Validation & EEAT: Scientific Backing
- All technical specifications comply with major pharmacopeia standards (USP, EP, JP) (USP-NF).
- Quality profiles validated by third-party laboratories, using HPLC, AAS/ICP-MS, and potentiometric titration (Applied and Environmental Microbiology).
- Only certified amino acids from FDA-approved fermentation plants are used (FDA Food Additives).
Professional FAQ on l cysteine hydrochloride monohydrate (Expert Focus)
- Q1: What is the optimal purity for pharmaceutical applications?
- A1: The optimal purity for l cysteine hydrochloride monohydrate in pharmaceutical APIs is ≥99.0%, aligning with USP/EP/JP standards to ensure minimal impurities and biocompatibility (Pharmaceutical Technology).
- Q2: What is the certified material origin for high-grade production?
- A2: The feedstock typically comprises non-animal, plant-based or microbial fermentation-derived L-cysteine, ensuring allergen-free profiles for pharma/food use.
- Q3: How is l cysteine hcl monohydrate tested for heavy metals?
- A3: Quantitative analysis employs Atomic Absorption Spectroscopy (AAS) and Inductively Coupled Plasma Mass Spectrometry (ICP-MS) for
- Q4: Which installation or storage standards apply?
- A4: According to Good Manufacturing Practice (GMP), it should be stored in airtight, moisture-resistant container111s below 25°C and away from direct sunlight. Installations for process handling should meet ISO 9001 protocols.
- Q5: What are batch-to-batch variation tolerances?
- A5: For validated suppliers such as Hebei Fuyang Biotechnology Co., LTD, maximal permitted deviation is ≤0.2% for purity, and ≤0.5% for water content.
- Q6: Which regulatory certifications are recognized for cysteine hcl monohydrate export?
- A6: Products should be certified by ISO 9001, FSSC 22000, Halal, and Kosher; exports to EU and US also require compliance with REACH and FDA food additive regulations.
- Q7: What granulation or particle size standards are typical?
- A7: Standard particle size D(90) ≤ 350 μm is typically achieved, ensuring rapid dissolution—critical for pharmaceutical injection and food/bakery premixes.
Why Choose Hebei Fuyang Biotechnology Co., LTD?
- GMP-compliant production facilities and FDA/ISO certified process flows
- Full HPLC and ICP-MS documented batch validation
- Export to 55+ countries and regions with customized logistics & regulatory documentation
- Strict QA/QC: Every batch meets or exceeds international pharmacopoeial and food grade standards
- Responsive technical support & samples for development trials
For orders, technical support, or custom specification requests, contact:
Email: info@hbfuyangbio.com | Phone: +8618903314095
Address: Xinle Industrial Park, Shijiazhuang, Hebei Province, China
References & Further Reading
- MarketsandMarkets – L-Cysteine Market Analysis
- Journal of the Science of Food and Agriculture – L-Cysteine Functionality
- Applied and Environmental Microbiology – Production Technologies
- United States Pharmacopeia (USP)
- International Journal of Food Science & Technology – Amino Acids in Baking
- Pharmaceutical Technology – Reference Standards
- FDA – Food Additive Status List
- BALCK: This is the first article
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