3-bromo-5-chloro-6-ethylpyrazine-2-carbonitrile Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 2043020-03-5 |
| Product name | 3-bromo-5-chloro-6-ethylpyrazine-2-carbonitrile |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical GradeMaterial GradeSpecialty GradeReagent 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-bromo-5-chloro-6-ethylpyrazine-2-carbonitrile
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 3-bromo-5-chloro-6-ethylpyrazine-2-carbonitrile Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 3-bromo-5-chloro-6-ethylpyrazine-2-carbonitrile
| Industry | Application | Process |
|---|---|---|
| Pesticides | Synthesis of pesticide intermediates | Prepared via organic synthesis methods, including nucleophilic substitution and cyclization |
| Pharmaceuticals | Synthesis of pharmaceutical intermediates | Used in the synthesis of specific drug molecules, typically involving multi-step organic synthesis |
| Polymers | Functional monomer | Applied in the synthesis of specialty polymers via polymerization processes |
| Analytical reagents | Reference standard for laboratory analysis | Produced through purification and crystallization to achieve high purity |
Manufacturing Quality Control of 3-bromo-5-chloro-6-ethylpyrazine-2-carbonitrile
| Detection Item | Common Testing Method | Method Overview |
|---|---|---|
| Purity Analysis | High-Performance Liquid Chromatography (HPLC) | Utilizes reversed-phase C18 columns with UV detection (e.g., 254 nm), quantifying the main component based on retention time and peak area. Suitable for separating organic impurities from the main component. |
| Structure Confirmation | Nuclear Magnetic Resonance Spectroscopy (NMR) | Uses ¹H NMR, ¹³C NMR, and two-dimensional spectra (e.g., HSQC, HMBC) to confirm connectivity of hydrogen/carbon atoms and verify substitution positions and structural completeness. |
| Molecular Weight Confirmation | Mass Spectrometry (MS) | Employs ESI or EI ion sources to detect molecular ion peaks ([M+H]⁺ or M⁺•); high-resolution mass spectrometry (HRMS) is used to confirm exact molecular weight and elemental composition. |
| Impurity Profiling | Liquid Chromatography–Mass Spectrometry (LC-MS) | Combines HPLC separation with online MS detection to identify unknown impurity structures, supporting qualitative and quantitative analysis, particularly effective for trace by-products or degradation products. |
| Moisture Content | Karl Fischer Titration | Determines trace water content using coulometric or volumetric methods, ensuring product dryness meets storage and stability requirements. |
| Residual Solvents | Gas Chromatography (GC) | Uses headspace or direct injection with FID detection; quantifies residual organic solvents (e.g., methanol, acetonitrile, dichloromethane) according to pharmacopoeial guidelines (e.g., ICH Q3C). |
| Heavy Metal Residues | Inductively Coupled Plasma Mass Spectrometry (ICP-MS) | After sample digestion, measures levels of lead, cadmium, mercury, arsenic, and other elements to ensure compliance with ICH Q3D or pharmacopoeial limits for elemental impurities. |
| Melting Point Determination | Capillary Melting Point Apparatus | Measures the temperature range at which a substance transitions from solid to liquid, serving as a physical constant to assist in identity verification and consistency of crystalline form. |
| Appearance and Color | Visual Comparison / Colorimeter | Observes solid color under standardized lighting (should be white to off-white crystals), or uses a colorimeter to quantify L*a*b* values and ensure batch-to-batch color consistency. |
| Polymorph Analysis | X-Ray Powder Diffraction (XRPD) | Identifies crystal structure through characteristic diffraction peaks, preventing variations in solubility, stability, or bioavailability due to polymorphic differences. |
Technical Specifications of 3-bromo-5-chloro-6-ethylpyrazine-2-carbonitrile
| Test Item | Specification |
|---|---|
| Appearance | Pale-yellow solid |
| Purity | >=98.0% (LC-MS) |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Water Content (KF) | <=0.5% |
| Melting Point | 85–89 °C |
| Identification (NMR) | Consistent with structure |
| 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 3-bromo-5-chloro-6-ethylpyrazine-2-carbonitrile
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 3-bromo-5-chloro-6-ethylpyrazine-2-carbonitrile
Safety Information of 3-bromo-5-chloro-6-ethylpyrazine-2-carbonitrile
| Pictograms |  |
| Signal Word | Warning |
| Safety Data Sheet | |
Packaging of 3-bromo-5-chloro-6-ethylpyrazine-2-carbonitrile
Industrial 3-bromo-5-chloro-6-ethylpyrazine-2-carbonitrile 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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