3-Furancarboxylic acid, 4,5-dihydro-2-methyl-4-oxo-, ethyl ester Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 3511-34-0 |
| Product name | 3-Furancarboxylic acid, 4,5-dihydro-2-methyl-4-oxo-, ethyl ester |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical GradeIndustrial 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 3511-34-0
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 3511-34-0 Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 3511-34-0
| Industry | Application | Process |
|---|---|---|
| Pesticides | Intermediate for fungicides (e.g., Isoprothiolane) | Acts as a key structural unit in the synthesis of Isoprothiolane, participating in cyclization and sulfuration reactions |
| Pharmaceuticals | Synthetic intermediate for antifungal and antitumor compounds | Constructs the core pharmacophore scaffold via amidation, reduction, or coupling reactions |
| Organic Synthesis | Starting material for functionalization of heterocyclic compounds | Introduces specific functional groups through hydrolysis, halogenation, or metal-catalyzed cross-coupling reactions |
Manufacturing Quality Control of 3511-34-0
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantification using reverse-phase HPLC with UV detection at 220-254 nm, comparing peak area to a certified reference standard. |
| Related Substances | HPLC-DAD | Separation and identification of impurities using HPLC coupled with diode array detection; relative retention times and spectral matching against known impurities. |
| Residual Solvents | GC-FID | Headspace gas chromatography with flame ionization detection to quantify common solvents (e.g., ethanol, ethyl acetate) based on calibrated response factors. |
| Water Content | Karl Fischer Titration | Volumetric or coulometric titration using iodine-based reagent to determine water content via stoichiometric reaction with water. |
| Acid Value | Acid-Base Titration | Titration with standardized potassium hydroxide solution in alcoholic medium to determine free carboxylic acid content. |
| Heavy Metals | ICP-OES | Multi-element quantification after acid digestion using inductively coupled plasma optical emission spectrometry; detection limits per USP <231>. |
| Chloride Impurity | Ion Chromatography | Separation and quantification of chloride ions using suppressed conductivity detection after aqueous extraction. |
| Sulfated Ash | Gravimetric Analysis | Ignition at 600-700 C followed by weighing of non-volatile inorganic residue after sulfuric acid treatment. |
| Appearance | Visual Inspection | Assessment of color and clarity of solution or neat material against standard references under controlled lighting. |
| Melting Point | Capillary Melting Point | Determination of solid-to-liquid transition temperature range using calibrated capillary apparatus per USP <741>. |
| Specific Optical Rotation | Polarimetry | Measurement of rotation angle of plane-polarized light passing through a solution to assess chiral purity and identity. |
| Residue on Ignition | Gravimetric Analysis | Weighing of non-volatile residue after ignition at 700-800 C without sulfuric acid treatment, per USP <281>. |
Technical Specifications of 3511-34-0
| 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 | 78-82°C |
| 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 3511-34-0
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 3511-34-0
Packaging of 3511-34-0
Industrial 3511-34-0 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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