8-Amino-4-oxo-2-tetrazol-5-yl-4H-1-benzopyran Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 110683-23-3 |
| Product name | 8-Amino-4-oxo-2-tetrazol-5-yl-4H-1-benzopyran |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradeReagent GradeIndustrial GradeSpecialty 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) |
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Documents We Provide for 8-Amino-4-oxo-2-tetrazol-5-yl-4H-1-benzopyran
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 8-Amino-4-oxo-2-tetrazol-5-yl-4H-1-benzopyran Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 8-Amino-4-oxo-2-tetrazol-5-yl-4H-1-benzopyran
| Industry | Application | Process Description |
|---|---|---|
| Pharmaceuticals | Pharmaceutical intermediate | Used as a key intermediate in the synthesis of antihypertensive drugs such as valsartan |
| Chemical Synthesis | Heterocyclic compound synthesis | Serves as a nitrogen-containing heterocyclic building block in various organic synthesis reactions |
| Pesticides | Pesticide intermediate | Applied in the synthesis of certain pesticide active ingredients as a functional molecular fragment |
| Research & Development | Analytical reagent | Used in laboratories for organic synthetic methodology development and compound library construction |
Manufacturing Quality Control of 8-Amino-4-oxo-2-tetrazol-5-yl-4H-1-benzopyran
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantitative determination using reverse-phase HPLC with UV detection at characteristic wavelength, calibrated against reference standard. |
| Related Substances | HPLC-DAD | Separation and detection of impurities using HPLC coupled with diode-array detection for spectral confirmation and relative quantitation. |
| Residual Solvents | GC-FID | Headspace gas chromatography with flame ionization detection to quantify volatile organic solvents based on retention time and peak area. |
| Water Content | Karl Fischer Titration | Volumetric or coulometric titration using iodine-based reagent to determine water content via stoichiometric reaction. |
| Heavy Metals | ICP-MS | Inductively coupled plasma mass spectrometry for trace-level quantification of toxic elements (e.g., Pb, Cd, Hg, As) after acid digestion. |
| Chloride Content | Potentiometric Titration | Titration with silver nitrate using silver indicator electrode to detect endpoint based on change in potential. |
| pH of Aqueous Solution | pH Meter Measurement | Direct measurement of hydrogen ion activity in a 1% w/v aqueous suspension using calibrated pH electrode. |
| Loss on Drying | Gravimetric Method | Weight loss measured after drying sample at specified temperature and time under controlled atmospheric conditions. |
| Residue on Ignition | Sulfated Ash Method | Weighing residue remaining after high-temperature incineration following sulfuric acid treatment to convert non-volatiles to sulfates. |
| Particle Size Distribution | Laser Diffraction | Analysis of scattered laser light intensity patterns to calculate volume-based particle size distribution in dispersed slurry. |
| Microbiological Limits | Membrane Filtration | Quantitative recovery of viable aerobic microorganisms from solution by filtration, followed by incubation on nutrient agar. |
| Crystal Form | XRPD | Identification and qualification of crystalline phase by comparing diffraction pattern (2-theta angles and intensities) to reference standard. |
Technical Specifications of 8-Amino-4-oxo-2-tetrazol-5-yl-4H-1-benzopyran
| Test Item | Specification |
|---|---|
| Appearance | Yellow solid |
| Purity | >=98.0% |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Water Content (KF) | <=0.5% |
| Melting Point | 245–249 °C |
| Identification (NMR) | Conforms to reference spectrum |
| Residue on Ignition | <=0.1% |
| Heavy Metals | <=20 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 8-Amino-4-oxo-2-tetrazol-5-yl-4H-1-benzopyran
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
Safety Information of 8-Amino-4-oxo-2-tetrazol-5-yl-4H-1-benzopyran
| Pictograms |  |
| Signal Word | Warning |
| Safety Data Sheet | |
Packaging of 8-Amino-4-oxo-2-tetrazol-5-yl-4H-1-benzopyran
Industrial 8-Amino-4-oxo-2-tetrazol-5-yl-4H-1-benzopyran 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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