3-AMINO-4-BROMO-1-METHYLPYRAZOLE Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 146941-72-2 |
| Product name | 3-AMINO-4-BROMO-1-METHYLPYRAZOLE |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural 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 3-AMINO-4-BROMO-1-METHYLPYRAZOLE
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 3-AMINO-4-BROMO-1-METHYLPYRAZOLE Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 3-AMINO-4-BROMO-1-METHYLPYRAZOLE
| Industry | Application | Process |
|---|---|---|
| Pharmaceuticals | Intermediate for synthesizing pyrazole-based kinase inhibitors with antitumor activity | Used as a brominated heterocyclic building block in coupling reactions (e.g., Suzuki or Buchwald–Hartwig reactions) to form C–C or C–N bonds with aryl boronic acids or amines |
| Agrochemicals | Key heterocyclic structural unit in novel insecticidal/fungicidal molecules | Applied in cyclization, substitution, or metal-catalyzed cross-coupling reactions to construct biologically active, polysubstituted pyrazole scaffolds |
Manufacturing Quality Control of 3-AMINO-4-BROMO-1-METHYLPYRAZOLE
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantifies main component using reverse-phase HPLC with UV detection at characteristic wavelength based on peak area comparison against reference standard. |
| Related Substances | HPLC-UV | Detects and quantifies structurally related impurities by retention time and UV response relative to main peak using gradient elution. |
| Residual Solvents | GC-FID | Measures volatile organic solvents (e.g., methanol, acetone, ethyl acetate) via gas chromatography with flame ionization detection using headspace sampling. |
| Water Content | Karl Fischer Titration | Determines trace water by coulometric or volumetric titration with iodine-based reagent where water reacts stoichiometrically with iodine and sulfur dioxide. |
| Heavy Metals | ICP-OES | Quantifies metal impurities (e.g., Pb, Cd, Ni, Fe) after acid digestion by measuring atomic emission intensities at element-specific wavelengths. |
| Chloride Impurity | Ion Chromatography | Separates and quantifies chloride ions using suppressed conductivity detection after anion exchange separation. |
| Residue on Ignition | Gravimetric Analysis | Measures non-volatile inorganic residue after high-temperature ashing (700-800 C) by weight difference of crucible before and after ignition. |
| Melting Point | Capillary Melting Point Apparatus | Determines temperature range at which solid transitions to liquid using capillary tube and calibrated heating block, indicating crystallinity and purity. |
| Specific Optical Rotation | Polarimetry | Measures degree of rotation of plane-polarized light by chiral compound in solution, confirming enantiomeric identity and purity. |
| pH of Aqueous Suspension | Potentiometric pH Measurement | Evaluates acidity/basicity of a defined suspension in water using calibrated pH electrode and meter. |
| Particle Size Distribution | Laser Diffraction | Analyzes particle size by measuring angular variation in intensity of laser light scattered by dispersed particles in liquid medium. |
| Bulk Density | Tap Density Measurement | Determines mass per unit volume of powder under standardized tapping conditions using calibrated graduated cylinder and mechanical tap apparatus. |
Technical Specifications of 3-AMINO-4-BROMO-1-METHYLPYRAZOLE
| Test Item | Specification |
|---|---|
| Appearance | Light-green solid |
| Purity | >=98.5% |
| Total Impurities | <=1.5% |
| Single Impurity | <=0.5% |
| Water Content (KF) | <=0.5% |
| Melting Point | 142-146°C |
| 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 3-AMINO-4-BROMO-1-METHYLPYRAZOLE
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 3-AMINO-4-BROMO-1-METHYLPYRAZOLE
Safety Information of 3-AMINO-4-BROMO-1-METHYLPYRAZOLE
| Pictograms |  |
| Signal Word | Warning |
| Safety Data Sheet | |
Packaging of 3-AMINO-4-BROMO-1-METHYLPYRAZOLE
Industrial 3-AMINO-4-BROMO-1-METHYLPYRAZOLE 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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