1-Phenyloxindole Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 3335-98-6 |
| Product name | 1-Phenyloxindole |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradeIndustrial GradeSpecialty GradeReagent 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 1-Phenyloxindole
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 1-Phenyloxindole Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 1-Phenyloxindole
| Industry | Application | Process |
|---|---|---|
| Pharmaceuticals | Intermediate for synthesizing biologically active indole derivatives | Functional group modification of N-phenylindolone with electrophiles or reducing agents to construct drug molecular scaffolds |
| Pesticides | Pesticide intermediate for synthesizing novel insecticides or fungicides | Cyclization, alkylation, or acylation to derive structural units exhibiting insecticidal activity |
| Dyes | Precursor for organic luminescent materials or fluorescent dyes | Condensation or conjugation extension to prepare indolone derivatives with optoelectronic properties |
| Chemical Research | Building block in organic synthesis for investigating the reactivity of indolone derivatives | Model compound for studying catalytic cyclization, C–H activation, or cross-coupling reactions |
Manufacturing Quality Control of 1-Phenyloxindole
| Detection Item | Common Testing Method | Method Overview |
|---|---|---|
| Identification Test | Infrared Spectroscopy (IR) | Measures the infrared absorption spectrum of the sample and compares it with the standard reference spectrum to confirm the presence of characteristic functional groups of N-phenylindolinone (e.g., amide C=O, aromatic rings) based on consistent absorption peaks. |
| Proton Nuclear Magnetic Resonance (¹H NMR) | Utilizes nuclear magnetic resonance technology to analyze chemical shifts, coupling constants, and integration areas of hydrogen atoms in the compound, verifying whether the spectral characteristics match the theoretical NMR spectrum of N-phenylindolinone. | |
| Content Determination | High-Performance Liquid Chromatography (HPLC) | Uses a reversed-phase C18 column with methanol-water or acetonitrile-water as the mobile phase, detected by UV detector (typically at 254 nm or the maximum absorption wavelength). Quantification is performed using external standard or internal standard method to determine the content of the main component. |
| Related Substances / Impurity Testing | High-Performance Liquid Chromatography (HPLC) | Similar to content determination, but with optimized chromatographic conditions (e.g., gradient elution) to achieve effective separation between the main peak and potential impurities (such as synthetic by-products or degradation products). Impurity levels are calculated using area normalization method or the main component self-control method with correction factors. |
| Drying Loss | Thermogravimetric Analysis (TGA) or Constant Pressure Drying Method | Dry the sample under controlled temperature (e.g., 105°C) until constant weight is achieved, measuring the percentage of mass loss due to moisture or other volatile components. |
| Melting Point | Capillary Melting Point Method | Load the sample into a melting point capillary tube and heat it at a specified rate in a melting point apparatus. Record the temperature range from initial melting to complete melting, which helps assess purity and crystal form consistency. |
| Residual Solvents | Gas Chromatography (GC) | Uses headspace injection or direct injection with polar or non-polar capillary columns and FID detection to qualitatively and quantitatively analyze potentially residual organic solvents (e.g., toluene, DMF, ethanol). |
| Heavy Metals | Thioacetamide Method (Colorimetry) or Inductively Coupled Plasma Mass Spectrometry (ICP-MS) | Traditional pharmacopoeial methods use thioacetamide colorimetric reaction for total heavy metal determination; modern approaches employ ICP-MS for precise quantification of specific metal elements (e.g., Pb, As, Cd, Hg). |
Technical Specifications of 1-Phenyloxindole
| Test Item | Specification |
|---|---|
| Appearance | White to light yellow powder or crystals |
| Purity | >=98.0% (GC-MS) |
| Melting Point | 148–152°C |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Water Content (KF) | <=0.5% |
| 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 1-Phenyloxindole
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 1-Phenyloxindole
Packaging of 1-Phenyloxindole
Industrial 1-Phenyloxindole 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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