4-Hydroxy carbazole Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 52602-39-8 |
| Product name | 4-Hydroxy carbazole |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Material GradeSpecialty GradeIndustrial 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 4-Hydroxy carbazole
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 4-Hydroxy carbazole Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 4-Hydroxy carbazole
| Industry | Application | Process |
|---|---|---|
| Pharmaceuticals | Used in the synthesis of intermediates for anticancer, anti-inflammatory, and neuroprotective agents | Employed as a carbazole derivative in multistep organic syntheses, including Suzuki coupling and N-alkylation reactions |
| Materials Science | Used as a precursor or functional component in organic optoelectronic materials (e.g., OLEDs, OFETs) | Chemically modified to incorporate electron-donating or electron-accepting groups, enabling construction of conjugated molecular architectures |
| Organic Synthesis | Serves as a key building block for constructing complex heterocyclic compounds | Participates in C–H activation, cross-coupling, and cyclization-condensation reactions to prepare carbazole derivatives |
Manufacturing Quality Control of 4-Hydroxy carbazole
| Test Item | Common Testing Method | Method Overview |
|---|---|---|
| Identification | Infrared Spectroscopy (IR) | Determine the infrared absorption spectrum of the sample and compare it with standard spectra to confirm characteristic functional group absorption peaks of 4-hydroxycarbazole (such as O–H, C=O, aromatic ring, etc.). |
| Proton Nuclear Magnetic Resonance (¹H NMR) | Use NMR technology to analyze chemical shifts, coupling constants, and other characteristics of hydrogen atoms in the molecule to verify its structural features. | |
| Assay | High-Performance Liquid Chromatography (HPLC) | Employ a reversed-phase C18 column with methanol-water or acetonitrile-water as the mobile phase, and a UV detector (typically at 254 nm or 280 nm wavelength) to quantitatively determine the active ingredient content. |
| Related Substances / Impurity Testing | High-Performance Liquid Chromatography (HPLC) | Using the same conditions as for assay or optimized gradient elution programs, separate and detect potential impurities such as synthesis by-products or degradation products. Limit control is performed using area normalization or reference substance methods. |
| Loss on Drying | Thermogravimetric Analysis (TGA) or Loss on Drying at Atmospheric Pressure | Dry the sample at a specified temperature (e.g., 105°C) until constant weight, then calculate the percentage weight loss to assess moisture and volatile component content. |
| Melting Point | Melting Point Determination | Use a melting point apparatus to measure the temperature range over which the sample transitions from solid to liquid, serving as an auxiliary indicator of purity and identity. |
| Residual Solvents | Gas Chromatography (GC) | Apply headspace or direct injection with an FID detector, following pharmacopoeial guidelines (e.g., ICH Q3C), to detect organic solvents (such as toluene, ethanol, etc.) that may remain from the manufacturing process. |
| Heavy Metals | Atomic Absorption Spectroscopy (AAS) or Inductively Coupled Plasma Mass Spectrometry (ICP-MS) | Digest the sample and measure residual levels of harmful elements such as lead, cadmium, mercury, and arsenic to ensure compliance with safety limits. |
Technical Specifications of 4-Hydroxy carbazole
| Test Item | Specification |
|---|---|
| Appearance | Light yellow to brown crystalline powder |
| Purity | >=98.0% (HPLC) |
| Melting Point | 215–219°C |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Water Content (KF) | <=0.5% |
| Residue on Ignition | <=0.1% |
| Heavy Metals | <=20 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 4-Hydroxy carbazole
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 4-Hydroxy carbazole
Packaging of 4-Hydroxy carbazole
Industrial 4-Hydroxy carbazole 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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