Cystamine dihydrochloride Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 56-17-7 |
| Product name | Cystamine dihydrochloride |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical GradeReagent GradeIndustrial GradeSpecialty GradeFood Grade |
| Packaging | 25KG/bag500KG/bag1000KG/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 Cystamine dihydrochloride
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk Cystamine dihydrochloride Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of Cystamine dihydrochloride
| Industry | Application | Process |
|---|---|---|
| Pharmaceuticals | Synthesis of pharmaceutical intermediates for sulfur-containing amino acid-based drugs | Reacted with hydrochloric acid to form the dihydrochloride salt, serving as a synthetic precursor in the preparation of antibiotics, antioxidants, and other pharmaceuticals |
| Biotechnology | Biochemical reagent for protein structure studies and thiol group modification | Used in protein analysis to reduce disulfide bonds and facilitate protein unfolding |
| Food Additives | Food antioxidant or nutrient fortificant (limited application) | Added to specific functional foods to maintain redox balance |
| Chemical Synthesis | Organic synthesis intermediate for sulfur-containing compounds | Introduces thiol functionality via nucleophilic substitution or condensation reactions for synthesizing fragrances, dyes, and other chemicals |
| Research | Laboratory reagent for maintaining reducing conditions in cell culture | Supplemented into cell culture media to provide a reducing environment supporting cell growth and protein expression |
Manufacturing Quality Control of Cystamine dihydrochloride
| Test Item | Common Testing Methods | Method Overview |
|---|---|---|
| Identification | Infrared Spectroscopy (IR) | Determine the infrared absorption spectrum of the sample and compare it with reference spectra to confirm characteristic functional groups of cystamine dihydrochloride (e.g., —NH₂, oxidized —SH products, characteristic peaks of hydrochloride salt), used for substance identification. |
| Chemical Color Reaction | Utilize primary amino groups or reducing thiol groups (if present) in the cystamine structure to react with specific reagents (e.g., ninhydrin, sodium nitroprusside) to produce color changes for qualitative identification. | |
| Assay | High-Performance Liquid Chromatography (HPLC) | Use a reversed-phase C18 column with an appropriate mobile phase (e.g., phosphate buffer-methanol system) for separation, detect using a UV detector (typically at 200–210 nm), and calculate the active ingredient content by external standard method; suitable for quantitative analysis of high-purity samples. |
| Acid-Base Titration | Exploit the fact that cystamine is a dibasic compound; its dihydrochloride salt can undergo neutralization with a strong base (e.g., sodium hydroxide). The total alkalinity is determined by potentiometric titration or indicator method, and the content of cystamine dihydrochloride is calculated indirectly. | |
| Related Substances (Impurities) | High-Performance Liquid Chromatography (HPLC) | Use gradient or isocratic elution to separate the main peak from potential impurities (e.g., oxidation product cystine, monohydrochloride, synthesis intermediates), and control impurity limits by area normalization or main component self-dilution method with correction factors. |
| Loss on Drying | Thermogravimetric Analysis (TGA) or Atmospheric Drying Method | Dry the sample at a specified temperature (e.g., 105°C) to constant weight and measure the mass loss to evaluate moisture and volatile content. |
| Sulfated Ash | High-Temperature Incineration Method | Incinerate the sample at high temperature (typically 700–800°C), then weigh the residual inorganic material to control the total level of inorganic impurities. |
| Heavy Metals | Thioacetamide Method (Colorimetry) or ICP-MS | Follow pharmacopoeial general chapters: use thioacetamide to generate sulfide precipitates under acidic conditions for colorimetric determination of total heavy metals; or use Inductively Coupled Plasma Mass Spectrometry (ICP-MS) for trace metal element quantification. |
| pH Value | pH Meter Method | Prepare an aqueous solution of defined concentration (e.g., 1% or 0.1 mol/L), and measure pH using a calibrated pH meter to reflect the dissociation degree of the hydrochloride salt and acid-base equilibrium status. |
| Specific Optical Rotation (if applicable) | Polarimetry | If cystamine dihydrochloride is optically active (e.g., derived from L-cysteine), prepare a solution and measure specific optical rotation using a polarimeter to confirm stereochemical configuration and assist in purity assessment. |
Technical Specifications of Cystamine dihydrochloride
| Test Item | Specification |
|---|---|
| Appearance | Off-white crystalline solid |
| Purity | >=98.0% (HPLC) |
| Water Content (KF) | <=0.5% |
| Melting Point | 210–215 °C (decomposes) |
| 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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NMR Spectra of Cystamine dihydrochloride
Packaging of Cystamine dihydrochloride
Industrial Cystamine dihydrochloride 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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