3-Amino-4-pyrazolecarboxamide hemisulfate Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 27511-79-1 |
| Product name | 3-Amino-4-pyrazolecarboxamide hemisulfate |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural 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 3-Amino-4-pyrazolecarboxamide hemisulfate
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 3-Amino-4-pyrazolecarboxamide hemisulfate 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-pyrazolecarboxamide hemisulfate
| Industry | Application | Process |
|---|---|---|
| Pharmaceuticals | Intermediate for synthesizing antitumor agents and antibiotics | Used as an organic synthesis intermediate to construct pyrazole-based drug scaffolds via acylation, cyclization, and related reactions |
| Agrochemicals | Precursor for synthesizing high-efficacy insecticides and fungicides | Condensed with aldehydes or ketones to form biologically active heterocyclic compounds |
| Chemicals | Intermediate for manufacturing functional dyes and pigments | Subjected to diazotization and coupling reactions to introduce chromophores for high-performance colorant synthesis |
Manufacturing Quality Control of 3-Amino-4-pyrazolecarboxamide hemisulfate
| Detection Item | Common Testing Methods | Method Overview |
|---|---|---|
| Identification Test | Infrared Spectroscopy (IR) | Compares the infrared absorption spectrum of the sample with standard reference spectra to confirm the presence of characteristic functional groups (e.g., N–H, C=O, C=N). |
| Proton Nuclear Magnetic Resonance (¹H NMR) | Analyzes chemical shifts, integration areas, and coupling constants of hydrogen atoms to verify structural consistency. | |
| Content Determination | High-Performance Liquid Chromatography (HPLC) | Uses a reversed-phase C18 column with an appropriate mobile phase (e.g., acetonitrile-water/buffer system) to separate the main component, quantified via external standard method or area normalization. |
| Related Substances (Impurities) | High-Performance Liquid Chromatography (HPLC) | Simultaneously detects potential impurities (e.g., starting materials, intermediates, degradation products) under content determination conditions; establishes acceptable limits and performs qualitative/quantitative analysis. |
| Drying Loss | Thermogravimetric Analysis (TGA) or Oven Drying Method | Dries the sample at a specified temperature (e.g., 105°C) until constant weight is achieved; calculates the percentage loss due to moisture and volatile substances. |
| Residue on Ignition | High-Temperature Incineration Method | After charring, the sample is ignited at 700–800°C; the weight of the resulting inorganic residue is measured to control total inorganic impurity levels. |
| Sulfate Content | Ion Chromatography (IC) or Titration Method | Determines sulfate ion concentration using ion chromatography, or verifies the stoichiometric ratio of sulfate salt via precipitation titration (e.g., barium chloride titration). |
| pH Value | pH Meter Measurement | Prepares a solution at a defined concentration (e.g., 1% w/v), then measures acidity/basicity using a calibrated pH meter, reflecting salt form stability. |
| Residual Solvents | Gas Chromatography (GC) | Uses headspace or direct injection with polar or non-polar capillary columns to detect organic solvents (e.g., methanol, ethanol, DMF) potentially remaining from synthesis or purification processes. |
| Heavy Metals | Atomic Absorption Spectroscopy (AAS) or ICP-MS | After sample digestion, quantifies harmful elements such as lead, arsenic, cadmium, and mercury to ensure compliance with pharmacopoeial or ICH Q3D guidelines. |
| Appearance and Color | Visual Color Comparison Method | Visually inspects the physical state (typically white to off-white crystalline powder) and color under specified lighting conditions to confirm conformity with standards. |
Technical Specifications of 3-Amino-4-pyrazolecarboxamide hemisulfate
| Test Item | Specification |
|---|---|
| Appearance | White solid |
| Purity | >=98.0% |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Water Content (KF) | <=0.5% |
| Melting Point | 185–190 °C |
| Identification (NMR) | Consistent with structure |
| 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 3-Amino-4-pyrazolecarboxamide hemisulfate
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 3-Amino-4-pyrazolecarboxamide hemisulfate
Safety Information of 3-Amino-4-pyrazolecarboxamide hemisulfate
| Pictograms |   |
| Signal Word | Warning |
| Safety Data Sheet | |
Packaging of 3-Amino-4-pyrazolecarboxamide hemisulfate
Industrial 3-Amino-4-pyrazolecarboxamide hemisulfate 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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