9-Bromo-3-(2-Bromo Acetyl)-10,11-Dihydro-5H-dibenzo(c,g) Chromen-8(9H)-one Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 1438383-89-1 |
| Product name | 9-Bromo-3-(2-Bromo Acetyl)-10,11-Dihydro-5H-dibenzo(c,g) Chromen-8(9H)-one |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Industrial GradeSpecialty 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 1438383-89-1
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 1438383-89-1 Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 1438383-89-1
| Industry | Application | Process |
|---|---|---|
| Pharmaceutical R&D | Serving as a synthetic intermediate for preparing bioactive heterocyclic compounds, such as candidate antitumor or anti-inflammatory drug molecules | Used to construct complex drug scaffolds via nucleophilic substitution, Suzuki coupling, or other carbon–carbon/carbon–heteroatom bond-forming reactions |
| Organic Synthesis | Employed to build polycyclic aromatic structures containing oxygen and bromine functional groups | Participates in alkylation, acylation, or cyclization reactions under basic conditions for the synthesis of dibenzopyran derivatives |
Manufacturing Quality Control of 1438383-89-1
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantitative determination using reverse-phase HPLC with UV detection at 254 nm, calibrated against certified reference standard. |
| Related Substances | HPLC-DAD | Separation and identification of impurities using HPLC coupled with diode-array detection; peak area comparison against main component. |
| Residual Solvents | GC-FID | Detection and quantification of volatile organic solvents (e.g., acetone, DMF, toluene) using gas chromatography with flame ionization detection. |
| Water Content | Karl Fischer Titration | Coulometric or volumetric titration using iodine-based reagent to determine trace water content based on stoichiometric reaction. |
| Heavy Metals | ICP-MS | Multi-element quantification of toxic metals (e.g., Pb, Cd, Hg, As) after acid digestion, using inductively coupled plasma mass spectrometry. |
| Bromine Content | Potentiometric Titration | Determination of total bromine by oxidation to bromate followed by titration with sodium thiosulfate using a bromide-selective electrode. |
| Melting Point | Capillary Melting Point Apparatus | Thermal transition measurement by observing solid-to-liquid phase change under controlled heating rate. |
| Residue on Ignition | Gravimetric Analysis | Measurement of inorganic ash content after high-temperature incineration and weighing of residual material. |
| Particle Size Distribution | Laser Diffraction | Analysis of dry or wet dispersed sample using light scattering patterns to calculate size distribution by Mie theory. |
| Optical Rotation | Polarimetry | Measurement of specific rotation using sodium D-line light to assess chiral purity and identity. |
| Loss on Drying | Thermogravimetric Analysis (TGA) | Weight loss measurement upon controlled heating under nitrogen to determine volatile and moisture content. |
| Microbial Limits | Membrane Filtration + Culture | Enumeration of aerobic microorganisms and absence testing for specified pathogens using standardized culture media and incubation. |
Technical Specifications of 1438383-89-1
| Test Item | Specification |
|---|---|
| Appearance | White to off-white crystalline powder |
| Purity | >=98.5% |
| Total Impurities | <=1.5% |
| Single Impurity | <=0.5% |
| Water Content (KF) | <=0.5% |
| Melting Point | 178–182°C |
| Identification (NMR) | Conforms to reference standard |
| Residue on Ignition | <=0.1% |
| Heavy Metals | <=10 ppm |
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 1438383-89-1
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| Lot/Batch Number | *Required fields | |
NMR Spectra of 1438383-89-1
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Industrial 1438383-89-1 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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