Ethyl 4-Methylpyrazole-3-carboxylate Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 6076-12-6 |
| Product name | Ethyl 4-Methylpyrazole-3-carboxylate |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradePharmaceutical 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 Ethyl 4-Methylpyrazole-3-carboxylate
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk Ethyl 4-Methylpyrazole-3-carboxylate Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of Ethyl 4-Methylpyrazole-3-carboxylate
| Industry | Application | Process |
|---|---|---|
| Pharmaceutical Intermediates | Used in the synthesis of fomepizole, an antidote for alcohol poisoning | Converted to 4-methylpyrazole via hydrolysis, decarboxylation, or direct reduction |
| Pharmaceutical Intermediates | Serves as a structural building block for heterocyclic drug molecules, enabling construction of pyrazole-containing active compounds | Acts as a functionalized precursor in coupling reactions (e.g., Suzuki, Heck) or cyclization reactions |
| Pesticide R&D | Potential nitrogen-containing heterocyclic pesticide intermediate for developing novel insecticides or plant growth regulators | Modified via amination, oxidation, or cyclization to introduce specific bioactive functional groups |
Manufacturing Quality Control of Ethyl 4-Methylpyrazole-3-carboxylate
| Test Item | Common Testing Method | Method Overview |
|---|---|---|
| Appearance | Visual Inspection | Observe the sample's color, physical state, and presence of visible impurities under natural or standard lighting conditions. |
| Purity/Assay | High-Performance Liquid Chromatography (HPLC) | Use a reversed-phase C18 column with a UV detector (e.g., 254 nm); quantify the main component using external standard or area normalization methods. |
| Structural Confirmation | Nuclear Magnetic Resonance Spectroscopy (NMR) | Confirm compound structure using ¹H-NMR and ¹³C-NMR by comparing characteristic peak chemical shifts with literature values. |
| Structural Confirmation | Mass Spectrometry (MS) | Determine molecular ion peaks ([M+H]+ or M⁺) using electrospray ionization (ESI) or electron ionization (EI) to confirm molecular weight. |
| Residual Solvents | Gas Chromatography (GC) | Use capillary column with FID detector to detect residual organic solvents (e.g., ethanol, ethyl acetate) according to ICH Q3C guidelines. |
| Moisture Content | Karl Fischer Titration (KF) | Determine moisture content using volumetric or coulometric methods; suitable for accurate measurement of low moisture levels. |
| Melting Point | Melting Point Apparatus | Determine initial and final melting temperatures using automatic or manual melting point instruments for identification and preliminary purity assessment. |
| Related Substances (Impurities) | High-Performance Liquid Chromatography (HPLC) | Optimize gradient elution to detect degradation products or synthesis intermediates near the main peak and assess total impurity levels. |
| Heavy Metals | Atomic Absorption Spectroscopy (AAS) or ICP-MS | Measure residual heavy metals such as lead, cadmium, mercury, and arsenic to ensure compliance with pharmacopeial or regulatory limits. |
| Sulfated Ash | Sulfated Ash Residue Method | Sample is treated with sulfuric acid and then ignited at high temperature; residue is weighed to estimate inorganic impurity content. |
Technical Specifications of Ethyl 4-Methylpyrazole-3-carboxylate
| Test Item | Specification |
|---|---|
| Appearance | Off-white solid |
| Purity | >=98.0% (HPLC) |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Water Content (KF) | <=0.5% |
| Melting Point | 78–82°C |
| Identification (NMR) | Conforms to reference standard |
| Residue on Ignition | <=0.1% |
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 Ethyl 4-Methylpyrazole-3-carboxylate
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of Ethyl 4-Methylpyrazole-3-carboxylate
Safety Information of Ethyl 4-Methylpyrazole-3-carboxylate
| Pictograms |  |
| Signal Word | Warning |
| Safety Data Sheet | |
Packaging of Ethyl 4-Methylpyrazole-3-carboxylate
Industrial Ethyl 4-Methylpyrazole-3-carboxylate 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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