L-xylo-hex-2-ulosonic acid Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 526-98-7 |
| Product name | L-xylo-hex-2-ulosonic acid |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical 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 L-xylo-hex-2-ulosonic acid
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk L-xylo-hex-2-ulosonic acid Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of L-xylo-hex-2-ulosonic acid
| Industry | Application | Process |
|---|---|---|
| Food Industry | Direct precursor to vitamin C (ascorbic acid), used in food fortification and nutritional supplement manufacturing | Chemically cyclized (acid-catalyzed) to L-ascorbic acid |
| Pharmaceutical Industry | Critical intermediate in the synthesis of L-ascorbic acid for injectables, tablets, and sustained-release formulations | Purified, cyclized, and crystallized under sterile conditions to yield pharmaceutical-grade ascorbic acid |
| Biological Fermentation Industry | Essential metabolic intermediate in microbial fermentation processes for vitamin C production (Reichstein process and second step of the two-step fermentation process) | Oxidized from L-sorbose via ketogulonic acid dehydrogenase (KGA-DH) catalysis |
Manufacturing Quality Control of L-xylo-hex-2-ulosonic acid
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantification using reversed-phase HPLC with UV detection at 210 nm, comparing peak area against a certified reference standard. |
| Related Substances | HPLC-UV | Separation and detection of impurities using gradient HPLC-UV; identification and quantification based on relative retention times and response factors. |
| Residual Solvents | GC-FID | Headspace gas chromatography with flame ionization detection to quantify volatile organic solvents according to ICH Q3C guidelines. |
| Water Content | Karl Fischer Titration | Volumetric or coulometric titration using iodine-based reagent to determine water content via stoichiometric reaction. |
| Heavy Metals | ICP-MS | Quantitative determination of elemental impurities (e.g., Pb, Cd, As, Hg) using inductively coupled plasma mass spectrometry after acid digestion. |
| Sulfated Ash | Gravimetric Analysis | Ignition of sample at 700-800 C followed by sulfuric acid treatment and weighing of residual inorganic ash. |
| Optical Rotation | Polarimetry | Measurement of specific rotation using sodium D-line light to confirm stereochemical integrity and enantiomeric purity. |
| pH (1% w/v aqueous solution) | Potentiometric pH Measurement | Determination of hydrogen ion activity in aqueous solution using calibrated glass electrode and pH meter. |
| Chloride | Ion Chromatography | Separation and quantification of chloride anions using suppressed conductivity detection after anion-exchange column separation. |
| Sulfate | Turbidimetric Method | Reaction with barium chloride under acidic conditions to form BaSO4 precipitate; quantification via turbidity measurement. |
| Microbial Limits | Membrane Filtration | Enumeration of aerobic mesophilic bacteria and fungi using membrane filtration followed by cultivation on TSA and SDA agar plates. |
| Particle Size Distribution | Laser Diffraction | Analysis of dry powder particle size distribution using laser diffraction principle based on Mie scattering theory. |
Technical Specifications of L-xylo-hex-2-ulosonic acid
| Test Item | Specification |
|---|---|
| Appearance | White to off-white crystalline powder |
| Purity | >=98.5% |
| Water Content (KF) | <=0.5% |
| Melting Point | 182-186°C |
| Optical Rotation | +17.0° to +19.0° (c=1, in water) |
| Total Impurities | <=1.5% |
| 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 L-xylo-hex-2-ulosonic acid
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of L-xylo-hex-2-ulosonic acid
Packaging of L-xylo-hex-2-ulosonic acid
Industrial L-xylo-hex-2-ulosonic acid 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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