4-Cholesten-3-one Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 601-57-0 |
| Product name | 4-Cholesten-3-one |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradePharmaceutical GradeMaterial GradeSpecialty 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 4-Cholesten-3-one
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 4-Cholesten-3-one Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 4-Cholesten-3-one
| Industry | Application | Process |
|---|---|---|
| Pharmaceutical Industry | Intermediate in the synthesis of steroid drugs | Prepared via chemical synthesis, including oxidation, reduction, cyclization, and other reaction steps |
| Chemical Industry | Precursor for synthesizing other steroid compounds | Used as a key intermediate for further chemical modification and synthesis |
| Biotechnology | Studying steroid hormone metabolic pathways | Applied in biochemical experiments to investigate steroid hormone biosynthesis and metabolism |
| Agricultural Chemistry | Synthesis of plant growth regulators | Serves as a starting material for synthesizing plant hormones or growth regulators |
Manufacturing Quality Control of 4-Cholesten-3-one
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantifies 4-cholesten-3-one by UV absorbance at 241 nm using reverse-phase C18 column and external standard calibration. |
| Related Substances | HPLC-UV | Detects and quantifies structurally similar impurities (e.g., cholesterol, cholestanone) via gradient elution and peak area comparison. |
| Residual Solvents | GC-FID | Measures volatile organic solvents (e.g., ethanol, acetone, toluene) using flame ionization detection with headspace sampling. |
| Water Content | Karl Fischer Titration | Determines trace water by coulometric or volumetric titration based on iodine consumption in pyridine-methanol buffer. |
| Heavy Metals | ICP-OES | Quantifies Pb, Cd, Hg, As, and other metals after acid digestion by measuring atomic emission intensities at element-specific wavelengths. |
| Residue on Ignition | Gravimetric Analysis | Measures inorganic ash content by high-temperature incineration followed by precise weighing of residual residue. |
| Melting Point | Capillary Melting Point Apparatus | Determines temperature range at which solid transitions to liquid using calibrated capillary tube and controlled heating ramp. |
| Optical Rotation | Polarimetry | Measures specific rotation at 20 degC using sodium D-line (589 nm) to confirm stereochemical integrity and enantiomeric purity. |
| Loss on Drying | Thermogravimetric Analysis (TGA) | Quantifies volatile loss (moisture, solvents) by monitoring mass change under controlled nitrogen purge and isothermal heating at 105 degC. |
| pH of Solution (1% w/v in ethanol/water) | pH Meter | Measures hydrogen ion activity in aqueous ethanol solution using calibrated glass electrode to assess acidic/basic degradation products. |
| Particle Size Distribution | Laser Diffraction | Determines size distribution of solid particles in suspension using Mie scattering theory and intensity pattern analysis. |
| Microbial Contamination | Membrane Filtration | Detects aerobic microorganisms by filtration, membrane transfer to agar media, incubation, and colony enumeration per USP <61>. |
Technical Specifications of 4-Cholesten-3-one
| Test Item | Specification |
|---|---|
| Appearance | White to off-white crystalline powder |
| Purity | >=98.5% |
| Melting Point | 138.0 - 142.0 °C |
| Total Impurities | <=1.5% |
| Single Impurity | <=0.5% |
| Water Content (KF) | <=0.5% |
| Heavy Metals | <=20 ppm |
| Residue on Ignition | <=0.1% |
| Optical Rotation | -30.0 to -36.0 ° (c=1, CHCl3) |
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 4-Cholesten-3-one
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 4-Cholesten-3-one
Packaging of 4-Cholesten-3-one
Industrial 4-Cholesten-3-one 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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