1H-Pyrazole-5-carboxylicacid,1-methyl-,ethylester(9CI) Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 197079-26-8 |
| Product name | 1H-Pyrazole-5-carboxylicacid,1-methyl-,ethylester(9CI) |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical GradeMaterial GradeSpecialty Grade |
| Packaging | 25L/drum |
| 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 1H-Pyrazole-5-carboxylicacid,1-methyl-,ethylester(9CI)
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 1H-Pyrazole-5-carboxylicacid,1-methyl-,ethylester(9CI) Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 1H-Pyrazole-5-carboxylicacid,1-methyl-,ethylester(9CI)
| Industry | Application | Process |
|---|---|---|
| Pesticides | Novel insecticidal intermediate for synthesizing pyrazole-based insecticides (e.g., flufiprole analogues) | Used to construct the active molecular scaffold via substitution, condensation, and related reactions with acyl chlorides, amines, or haloalkanes |
| Pharmaceuticals | Potential pharmaceutical synthesis intermediate for constructing pyrazole-containing bioactive molecules | Applied in functional group transformations including cyclization, N-alkylation, and ester hydrolysis/ammonolysis |
| Materials Science | Structural building block in organic functional material synthesis, for preparing fluorescent dyes or ligands | Employed in coupling reactions (e.g., Suzuki, Heck) to introduce conjugated systems or metal-coordinating groups |
Manufacturing Quality Control of 1H-Pyrazole-5-carboxylicacid,1-methyl-,ethylester(9CI)
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantification by peak area comparison against a certified reference standard using reversed-phase chromatography and UV detection at 220 nm. |
| Related Substances | HPLC-UV | Separation and quantification of impurities using gradient HPLC with UV detection; identification based on retention time matching and threshold limits per ICH Q3B. |
| Residual Solvents | GC-FID | Headspace gas chromatography with flame ionization detection to quantify residual ethyl acetate, methanol, toluene, and other process solvents per ICH Q3C. |
| Water Content | Karl Fischer Titration | Volumetric or coulometric titration using iodine-based reagent to determine trace water content based on stoichiometric reaction. |
| Heavy Metals | ICP-MS | Quantitative determination of Pb, Cd, Hg, As, and other elemental impurities by inductively coupled plasma mass spectrometry after acid digestion. |
| Chloride Impurity | Ion Chromatography | Separation and quantification of chloride ions using suppressed conductivity detection after aqueous extraction. |
| Sulfated Ash | Gravimetric Analysis | Ignition of sample at 700 C followed by weighing of non-volatile inorganic residue after treatment with sulfuric acid. |
| Melting Point | Capillary Melting Point Apparatus | Determination of temperature range at which solid transitions to liquid, indicating crystallinity and presence of impurities. |
| Optical Rotation | Polarimetry | Measurement of specific rotation using sodium D-line light to confirm chiral integrity and absence of racemization. |
| Particle Size Distribution | Laser Diffraction | Analysis of dry powder dispersion via laser scattering to determine D10, D50, and D90 values relevant for formulation handling. |
| Bulk Density | ASTM D1895 Method A | Measurement of mass per unit volume for freely settled powder using a calibrated cylinder and balance. |
| Microbial Limits | Membrane Filtration | Enumeration of aerobic mesophilic microorganisms and detection of specified pathogens per Ph. Eur. 5.1.4. |
Technical Specifications of 1H-Pyrazole-5-carboxylicacid,1-methyl-,ethylester(9CI)
| Test Item | Specification |
|---|---|
| Appearance | Colorless liquid |
| Purity | >=98.0% (GC-MS) |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Identification (NMR) | Consistent with structure |
| Identification (IR) | Consistent with structure |
| Odor | Characteristic odor |
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 1H-Pyrazole-5-carboxylicacid,1-methyl-,ethylester(9CI)
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 1H-Pyrazole-5-carboxylicacid,1-methyl-,ethylester(9CI)
Safety Information of 1H-Pyrazole-5-carboxylicacid,1-methyl-,ethylester(9CI)
| Pictograms |  |
| Signal Word | Warning |
| Safety Data Sheet | |
Packaging of 1H-Pyrazole-5-carboxylicacid,1-methyl-,ethylester(9CI)
Industrial 1H-Pyrazole-5-carboxylicacid,1-methyl-,ethylester(9CI) 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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