China Factory Direct
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| CAS number | 134253-42-2 |
| Product name | 1-O-METHYL-BETA-D-GLUCURONIC ACID, SODIUM SALT |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical 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) |
Based on current marketvolatility and material availability.
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
| Industry | Application | Process |
|---|---|---|
| Biopharmaceuticals | Chromogenic substrate for β-glucuronidase in enzyme activity assays and histochemical staining | Hydrolyzed by alkaline phosphatase or β-glucuronidase to release chromogenic or fluorescent products (e.g., blue precipitate upon reaction with X-Gluc), enabling gene expression localization, bacterial detection, and pathological diagnosis |
| Molecular Biology | Substrate in reporter gene systems for GUS (β-glucuronidase) reporter gene assays | Added to transgenic plants or cells expressing the GUS gene to enable chromogenic or fluorescent detection, thereby visualizing gene expression patterns |
| Clinical Diagnostics | Reagent for measuring β-glucuronidase activity in urine or other body fluids | Enzyme activity is quantified via colorimetric or fluorometric analysis following enzymatic reaction, supporting diagnosis of urinary tract infections or certain cancers |
| Microbiology | Identification of β-glucuronidase-producing microorganisms (e.g., Escherichia coli) | Incorporated into selective media to enable rapid identification of target strains through chromogenic reaction |
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantifies main compound using reversed-phase HPLC with UV detection at 205 nm, based on peak area comparison against reference standard. |
| Related Substances | HPLC-UV | Detects and quantifies structurally related impurities using gradient HPLC-UV; identification relies on retention time matching and relative response factors. |
| Residual Solvents | GC-FID | Measures volatile organic solvents (e.g., methanol, acetone) by gas chromatography with flame ionization detection using headspace sampling. |
| Water Content | Karl Fischer Titration | Determines water by coulometric or volumetric titration where iodine reacts stoichiometrically with water in a pyridine-methanol solvent system. |
| Heavy Metals | ICP-MS | Quantifies trace metals (Pb, Cd, Hg, As, etc.) after acid digestion using inductively coupled plasma mass spectrometry for multi-element detection at sub-ppt levels. |
| Chloride Impurity | Ion Chromatography | Separates and quantifies chloride ions using anion-exchange column with suppressed conductivity detection. |
| Sodium Content | Flame Photometry | Measures sodium concentration by atomizing sample in air-acetylene flame and detecting characteristic emission at 589 nm. |
| pH of Aqueous Solution | Potentiometric Titration | Determines pH using calibrated glass electrode in 1% w/v aqueous solution at 25 C. |
| Specific Optical Rotation | Polarimetry | Measures optical activity in sodium D-line (589 nm) using a polarimeter; reported as [alpha]D value in deg*cm2/g. |
| Residue on Ignition | Gravimetric Analysis | Determines inorganic ash content by ignition at 700-800 C followed by weighing of residual residue. |
| Microbial Limits | Membrane Filtration | Assesses total aerobic microbial count and absence of specified pathogens (E. coli, Salmonella) via filtration, culture on selective media, and colony enumeration. |
| Particle Size Distribution | Laser Diffraction | Analyzes dry powder particle size by measuring angular variation in intensity of laser light scattered by dispersed particles. |
| Test Item | Specification |
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| Appearance | White solid |
| Purity | >=98.0% |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Optical Rotation | -60.0° to -56.0° |
| Residue on Ignition | <=0.1% |
| Heavy Metals | <=10 ppm |
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| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
| Pictograms | ![]() |
| Signal Word | Warning |
| Safety Data Sheet | |
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.