5-BROMO-2-CHLOROPYRAZINE Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 912773-21-8 |
| Product name | 5-BROMO-2-CHLOROPYRAZINE |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradeMaterial GradeSpecialty GradeReagent GradeIndustrial 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 5-BROMO-2-CHLOROPYRAZINE
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 5-BROMO-2-CHLOROPYRAZINE Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 5-BROMO-2-CHLOROPYRAZINE
| Industry | Application | Process |
|---|---|---|
| Pharmaceuticals | Pharmaceutical intermediates | Used as an intermediate in the synthesis of antitumor and antiviral agents; participates in halogen substitution reactions |
| Agrochemicals | Agrochemical synthesis intermediates | Applied in the synthesis of novel pyrazine-containing active ingredients to enhance biological activity |
| Organic synthesis | Halo-heteroaromatic compounds | Employed as a bromo-chloro bifunctional reagent in cross-coupling reactions, including Suzuki and Heck couplings |
| Materials science | Functional material synthesis | Utilized to construct pyrazine-based structural units in organic optoelectronic and semiconductor materials |
| Research & development | Molecular probes and labeling compounds | Serves as a reaction probe in biochemical research for labeling and tracking specific biomolecules |
Manufacturing Quality Control of 5-BROMO-2-CHLOROPYRAZINE
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantitative determination using reversed-phase HPLC with UV detection at 254 nm, calibrated against certified reference standard. |
| Related Substances | HPLC-UV | Separation and quantification of impurities (e.g., starting materials, isomers, dehalogenated by-products) using gradient HPLC-UV. |
| Residual Solvents | GC-FID | Headspace GC with flame ionization detection to quantify common solvents (e.g., methanol, acetone, toluene) per ICH Q3C. |
| Water Content | Karl Fischer Titration | Volumetric or coulometric titration using iodine-based reagent to determine trace water content in the sample. |
| Heavy Metals | ICP-MS | Multi-element quantification of toxic metals (e.g., Pb, Cd, Hg, As) after acid digestion and dilution. |
| Chloride Content | Potentiometric Titration | Titration with silver nitrate using silver indicator electrode to measure total chloride ions. |
| Residue on Ignition | Gravimetric Analysis | Weighing residue after charring and incineration at 600 C to assess inorganic ash content. |
| Melting Point | Capillary Melting Point Apparatus | Determination of solid-to-liquid transition temperature range using calibrated capillary apparatus per USP <741>. |
| Appearance | Visual Inspection | Assessment of physical state, color, and clarity of solid material under controlled white light. |
| Particle Size Distribution | Laser Diffraction | Measurement of particle size distribution in dry powder mode using Mie scattering theory. |
| Bulk Density | Tap Density Tester | Determination of mass per unit volume after standardized tapping per USP <616>. |
| Organic Volatile Impurities (OVI) | GC-MS | Targeted and untargeted screening for genotoxic impurities (e.g., alkyl chlorides, bromides) using mass spectrometric detection. |
Technical Specifications of 5-BROMO-2-CHLOROPYRAZINE
| Test Item | Specification |
|---|---|
| Appearance | Colorless to pale yellow semi-solid |
| Purity | >=98.0% (GC-MS) |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Water Content (KF) | <=0.5% |
| Melting Point | 45–49°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 5-BROMO-2-CHLOROPYRAZINE
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 5-BROMO-2-CHLOROPYRAZINE
Packaging of 5-BROMO-2-CHLOROPYRAZINE
Industrial 5-BROMO-2-CHLOROPYRAZINE 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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