methyl DL-cysteinate hydrochloride Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 5714-80-7 |
| Product name | methyl DL-cysteinate hydrochloride |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradePharmaceutical GradeFood GradeCosmetic Grade |
| Packaging | 25KG/bag |
| Sample | Test Samples Available (Click to Request Samples) |
| COA | View COA |
| Price | Get Quote |
| Supply Type | Bulk / Contract manufacturing / OEM |
| Shipping | FCL / LCL available |
| Payment Terms | Support FOB \ CIF \ EXW quotations, and accept Letter of Credit (L/C). |
| Manufacturer | Greenrock Chemical(China Factory) |
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Documents We Provide for methyl DL-cysteinate hydrochloride
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk methyl DL-cysteinate hydrochloride Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of methyl DL-cysteinate hydrochloride
| Industry | Application | Process |
|---|---|---|
| Pharmaceuticals | Synthesis of cysteine derivatives and pharmaceutical intermediates | Used as a chiral building block for preparing precursors to antibiotics, antiviral agents, and expectorants (e.g., acetylcysteine) |
| Food | Food additive (dough conditioner) | Applied in baking to improve dough extensibility and fermentation performance by reducing disulfide bonds to modulate gluten structure |
| Cosmetics | Active ingredient in skincare and haircare products | Used as an antioxidant and keratin-reducing agent in permanent wave solutions, hair dyes, and anti-aging skincare formulations |
| Biochemical Research | Reagent for protein modification and enzymology studies | Applied for thiol protection of proteins, site-specific modification, and modeling of in vivo cysteine metabolism |
| Agriculture | Component of plant growth regulators | Involved in regulating sulfur-containing amino acid metabolism to enhance crop stress tolerance (e.g., drought and salinity resistance) |
Manufacturing Quality Control of methyl DL-cysteinate hydrochloride
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (DL-Cysteine Methyl Ester Hydrochloride) | Acid-Base Titration | Direct titration with standardized NaOH solution to determine free HCl content, calculated to purity of the salt. |
| Related Substances | HPLC with UV Detection | Separation on reversed-phase C18 column; quantification against reference standards using UV absorbance at 205-220 nm. |
| Optical Rotation | [alpha]D Measurement | Determination of specific optical rotation using sodium D-line light source in solution at specified concentration and temperature. |
| Residual Solvents | Gas Chromatography (GC-FID) | Headspace GC analysis with flame ionization detection; quantification against certified solvent standards. |
| Heavy Metals | AAS (Atomic Absorption Spectroscopy) | Quantitative determination of Pb, Cd, Hg, As by atomization in graphite furnace or flame, measuring absorption at element-specific wavelengths. |
| Chloride Content | Potentiometric Titration | Titration with standardized AgNO3 solution using silver indicator electrode; endpoint detected by potential change. |
| Water Content | Karl Fischer Coulometric Titration | Electrochemical generation of iodine to react stoichiometrically with water; quantified via coulometric current integration. |
| Sulfate Impurity | Ion Chromatography (IC) | Anion-exchange separation followed by suppressed conductivity detection; quantified against sulfate standard. |
| pH (1% aqueous solution) | pH Potentiometry | Measurement using calibrated pH meter with glass electrode in freshly prepared 1% w/v aqueous solution. |
| Loss on Drying (LOD) | Gravimetric Analysis | Weight loss measured after drying sample at 105 C for 2 hours under controlled atmospheric conditions. |
| Microbial Limits | Membrane Filtration & Plate Count | Enumeration of aerobic mesophilic microorganisms following filtration, membrane transfer, and incubation on soybean-casein digest agar. |
| Residue on Ignition | Gravimetric Ash Test | Mass of non-volatile residue determined after incineration at 600-700 C in a muffle furnace. |
Technical Specifications of methyl DL-cysteinate hydrochloride
| Test Item | Specification |
|---|---|
| Appearance | White crystalline powder |
| Purity | >=98.0% (HPLC) |
| Water Content (KF) | <=0.5% |
| Melting Point | 172-176°C |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Heavy Metals | <=10 ppm |
| Residue on Ignition | <=0.1% |
Specifications vary by industry. Reach out to our technical experts for a COA tailored specifically to your application. Email:selse@GRchemical.com
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Download COA of methyl DL-cysteinate hydrochloride
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of methyl DL-cysteinate hydrochloride
Safety Information of methyl DL-cysteinate hydrochloride
| Pictograms |  |
| Signal Word | Warning |
| Safety Data Sheet | |
Packaging of methyl DL-cysteinate hydrochloride
Industrial methyl DL-cysteinate hydrochloride Procurement FAQ
1. How do you ensure product quality consistency?
We rely on a mature China-based manufacturing system and implement strict batch control and quality inspection for every shipment. Our production process complies with ISO 9001 standards, and a COA is provided for each batch to ensure consistent and reliable quality.
2. Do you offer competitive pricing for bulk orders?
Yes, as a China-based manufacturer and bulk supplier, we provide tiered pricing based on order volume. We support FOB and CIF quotations, as well as L/C payment terms for large transactions to meet international trade requirements.
3. Can you support large-volume or long-term supply?
We have stable production capacity and a well-established supply chain, enabling continuous bulk supply. We support ton-level and container-level orders, as well as long-term cooperation projects.
4. What is your typical lead time?
For in-stock products, shipment can be arranged within 1–3 days. For bulk packaging or customized orders, lead time depends on the specific quantity and production schedule.
5. What documents do you provide?
We can provide complete documentation upon request, including COA, SDS, TDS, and other compliance certificates, meeting industrial procurement and export requirements.
6. Can you customize product specifications or packaging?
Yes, we support customization of parameters such as purity, impurities, residual solvents, and heavy metals. We also offer various bulk packaging options, including 25kg bags, drums, and IBC tanks, suitable for industrial applications and transportation.
7. What shipping options do you support?
We support both FCL (Full Container Load) and LCL (Less than Container Load) shipments, and can flexibly arrange logistics solutions based on order size to meet bulk chemical export needs.
8. Do you provide technical or application support?
Yes, we provide basic application guidance and technical support based on industry experience to help customers optimize product usage.
9. How do you handle compliance and export regulations?
We are familiar with international trade and export regulations, ensuring all products comply with relevant requirements. We also provide complete documentation to support smooth customs clearance and global delivery.
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