China Factory Direct
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| CAS number | 19335-11-6 |
| Product name | 5-AMINOINDAZOLE |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradeMaterial GradeSpecialty GradeReagent GradeIndustrial Grade |
| Packaging | 25KG/bag500KG/bag1000KG/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) |
Based on current marketvolatility and material availability.
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
| Industry | Application | Process |
|---|---|---|
| Pharmaceuticals | Used as a pharmaceutical intermediate in the synthesis of anticancer, anti-inflammatory, and central nervous system therapeutics | Multi-step organic synthesis, including indazole ring construction and amino substitution |
| Polymers | Employed as a monomer or crosslinker for functional polymeric materials | Polymerization to incorporate the indazole moiety, enhancing thermal and chemical stability |
| Agricultural Chemicals | Serves as a precursor or intermediate for novel pesticide active ingredients | Nitration, reduction, and coupling reactions to prepare bioactive heterocyclic compounds |
| Fine Chemicals | Applied in the synthesis of dyes and functional additives | Acylation, diazotization, and other modifications of the indazole structure to tune color and enhance functionality |
| Analytical Reagents | Utilized in the synthesis of reference standards or detection probes | Controlled introduction of substituents and functional groups to produce high-purity reference materials |
| Test Item | Common Testing Method | Method Summary |
|---|---|---|
| Identification | Infrared Spectroscopy (IR) | Determine the infrared absorption spectrum of the sample and compare it with standard spectra to confirm characteristic functional groups and molecular structure of 5-aminoindazole. |
| Proton Nuclear Magnetic Resonance (¹H NMR) | Use ¹H NMR to measure chemical shifts, integration areas, and coupling constants of hydrogen atoms in the sample to verify consistency of the molecular structure. | |
| Assay | High-Performance Liquid Chromatography (HPLC) | Use a reversed-phase C18 column with an appropriate mobile phase (e.g., methanol-water or acetonitrile-buffer salt) for separation, and a UV detector (typically at 254 nm) for quantitative analysis of the active ingredient. |
| Related Substances / Impurity Testing | High-Performance Liquid Chromatography (HPLC) | Under the same or optimized conditions as the assay, detect and quantify potential process impurities and degradation products, usually using area normalization or a main component self-reference method with correction factors. |
| Loss on Drying | Thermogravimetric Analysis (TGA) or Ordinary Drying Method | Dry the sample at a specified temperature (e.g., 105°C) until constant weight, then calculate the percentage weight loss to evaluate moisture and volatile content. |
| Sulfated Ash / Residue on Ignition | High-Temperature Ignition Method | Ignite the sample at high temperature (typically 700–800°C), then weigh the residual inorganic matter to control total inorganic impurities. |
| Residual Solvents | Gas Chromatography (GC) | Use headspace or direct injection combined with an FID detector to perform qualitative and quantitative analysis of organic solvents possibly remaining from synthesis (e.g., methanol, dichloromethane). |
| pH Value | pH Meter Method | Prepare an aqueous solution of 5-aminoindazole at a defined concentration (e.g., 1%), and measure its acidity or alkalinity using a calibrated pH meter to reflect sample purity and potential acidic or basic impurities. |
| Test Item | Specification |
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| Appearance | Purple solid |
| Purity | >=98.0% (HPLC) |
| Melting Point | 215–219 °C |
| Total Impurities | <=2.0% (HPLC) |
| Single Impurity | <=0.5% (HPLC) |
| Water Content (KF) | <=0.5% |
| Heavy Metals | <=20 ppm |
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| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
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.