5-Cyanophthalide Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 82104-74-3 |
| Product name | 5-Cyanophthalide |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural 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 5-Cyanophthalide
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 5-Cyanophthalide Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 5-Cyanophthalide
| Industry | Application | Process |
|---|---|---|
| Pharmaceuticals | Intermediate for synthesizing antitumor and central nervous system drugs | Prepared via cyanation of phthalide derivatives; employed as a key intermediate in multistep organic synthesis |
| Pesticides | Structural building block for synthesizing novel insecticides and fungicides | Serves as a precursor to nitrogen-containing heterocyclic compounds; participates in nucleophilic substitution or cyclization reactions to construct active molecular scaffolds |
| Chemical Reagents | Organic synthesis template and precursor for fluorescent probes in research | Produced via catalytic cyanation or oxidative cyclization; used to construct complex heterocyclic systems |
Manufacturing Quality Control of 5-Cyanophthalide
| Test Item | Commonly Used Testing Method | Method Overview |
|---|---|---|
| Identification | Infrared Spectrophotometry (IR) | Determines the infrared absorption spectrum of the sample and compares it with reference spectra to confirm characteristic functional groups of 5-cyanobenzaldehyde (such as cyano group, lactone ring, etc.). |
| Proton Nuclear Magnetic Resonance (¹H NMR) | Uses nuclear magnetic resonance technology to analyze the chemical shifts and coupling constants of hydrogen atoms in the molecule to verify the compound structure. | |
| Assay | High-Performance Liquid Chromatography (HPLC) | Employs a reversed-phase C18 column with a mobile phase of methanol-water or acetonitrile-water. Quantitative analysis of the main component is performed using a UV detector (usually at a wavelength of 220–260 nm). |
| Related Substances (Impurities) | High-Performance Liquid Chromatography (HPLC) | Uses gradient or isocratic elution to separate and detect possible synthesis by-products, degradation products, and other impurities. Impurity content is calculated using the area normalization method or correction factor method. |
| Loss on Drying | Thermogravimetric Analysis (TGA) or Oven Drying Method | Dries the sample at a specified temperature (e.g., 105°C) to constant weight and measures the percentage of mass loss due to moisture or other volatile components. |
| Melting Point | Melting Point Determination | Determines the temperature range at which the sample transitions from solid to liquid using a capillary method or digital melting point apparatus to assess purity and consistency. |
| Residual Solvents | Gas Chromatography (GC) | Headspace or direct injection is used with polar or non-polar capillary columns and an FID detector to measure residual organic solvents (e.g., toluene, dichloromethane) from the manufacturing process. |
| Water Content | Karl Fischer Titration | Based on iodometric principles, this method determines trace water content by titration and is suitable for organic compounds sensitive to moisture. |
Technical Specifications of 5-Cyanophthalide
| Test Item | Specification |
|---|---|
| Appearance | White to almost white crystalline powder |
| Purity | >=98.0% (GC-MS) |
| Melting Point | 142–146°C |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Water Content (KF) | <=0.5% |
| Identification (NMR) | Consistent with structure |
| Identification (IR) | Consistent with structure |
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 5-Cyanophthalide
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 5-Cyanophthalide
Packaging of 5-Cyanophthalide
Industrial 5-Cyanophthalide 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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