Androsta-3,5-diene-7,17-dione Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 1420-49-1 |
| Product name | Androsta-3,5-diene-7,17-dione |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical 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 Androsta-3,5-diene-7,17-dione
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk Androsta-3,5-diene-7,17-dione Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of Androsta-3,5-diene-7,17-dione
| Industry | Application | Process Description |
|---|---|---|
| Pharmaceuticals | Steroid drug intermediate | Used in the synthesis of bioactive steroid compounds |
| Chemical Research | Organic synthesis reagent | Applied as an organic synthesis intermediate for structural modification in laboratory settings |
| Hormone Formulations | Precursor to hormone compounds | Used in research-scale preparation of specific hormone derivatives |
Manufacturing Quality Control of Androsta-3,5-diene-7,17-dione
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantification by comparison of peak area against a certified reference standard using reversed-phase chromatography and UV detection at 240-254 nm. |
| Related Substances | HPLC-UV | Separation and quantification of structurally similar impurities using gradient HPLC with UV detection and relative response factor correction. |
| Residual Solvents | GC-FID | Identification and quantification of volatile organic solvents based on retention time matching and calibration curves using flame ionization detection. |
| Water Content | Karl Fischer Titration | Electrochemical titration with iodine reagent where water reacts stoichiometrically to determine trace moisture content. |
| Heavy Metals | ICP-MS | Multi-element quantification of toxic metals (e.g., Pb, Cd, Hg, As) via mass spectrometric detection after acid digestion and dilution. |
| Chloride Content | Ion Chromatography | Separation and conductivity-based quantification of chloride ions in aqueous extract using anion-exchange column and suppressed conductivity detection. |
| Sulfated Ash | Gravimetric Analysis | Residue weight measurement after high-temperature incineration of sample with sulfuric acid pretreatment. |
| Optical Rotation | Polarimetry | Measurement of specific rotation using sodium D-line light to assess chiral purity and identity. |
| Melting Point | Capillary Melting Point Apparatus | Determination of temperature range over which solid transitions to liquid, indicating crystallinity and purity. |
| Particle Size Distribution | Laser Diffraction | Analysis of scattered laser light intensity to calculate volume-weighted particle size distribution in dispersed dry or wet samples. |
| Microbial Contamination | Membrane Filtration | Quantitative enumeration of aerobic microorganisms by filtration, membrane transfer to culture medium, and colony counting after incubation. |
| Residual Palladium | ICP-OES | Quantification of palladium catalyst residues after microwave-assisted acid digestion using optical emission spectroscopy at characteristic wavelengths. |
Technical Specifications of Androsta-3,5-diene-7,17-dione
| Test Item | Specification |
|---|---|
| Appearance | White to off-white crystalline powder |
| Purity | >=98.5% |
| Melting Point | 162–166°C |
| Total Impurities | <=1.5% |
| Single Impurity | <=0.5% |
| Water Content (KF) | <=0.5% |
| Heavy Metals | <=20 ppm |
| Residue on Ignition | <=0.1% |
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 Androsta-3,5-diene-7,17-dione
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
Packaging of Androsta-3,5-diene-7,17-dione
Industrial Androsta-3,5-diene-7,17-dione 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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