Cholesteryl acetate Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 604-35-3 |
| Product name | Cholesteryl acetate |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Industrial 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 Cholesteryl acetate
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk Cholesteryl acetate Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of Cholesteryl acetate
| Industry | Application | Process |
|---|---|---|
| Pharmaceutical Industry | Key intermediate in the synthesis of vitamin D₃ and steroidal hormones | Used as a starting material in chemical synthesis—via oxidation, cleavage, and other reactions—to produce vitamin D₃, progesterone, and related pharmaceuticals |
| Biochemical Research | Model compound for studying cell membrane fluidity | Embedded into lipid bilayers to modulate membrane phase transitions, enabling characterization and analysis of membrane physical properties |
| Electronics & Display Industry | Additive/component in liquid crystal display (LCD) materials | Incorporated as a cholesteric liquid crystal material or chiral dopant in LCD formulations to adjust helical pitch and phase transition temperature |
| Cosmetics Industry | Emulsion stabilizer and skin conditioning agent | Added to water-in-oil emulsion systems to enhance emulsion stability and replenish the skin’s lipid barrier |
| Organic Synthesis | Standard substrate for solid-phase organic reactions | Employed in mechanistic studies of solid-state photochemical reactions or as a precursor to protecting groups in organic synthesis |
Manufacturing Quality Control of Cholesteryl acetate
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantifies cholesterol acetate by separation on a reversed-phase column and UV detection at 205 nm. |
| Related Substances | HPLC-UV | Detects and quantifies structurally related impurities (e.g., cholesterol, diacetate) using gradient elution and UV detection. |
| Residual Solvents | GC-FID | Measures residual solvents (e.g., acetone, ethyl acetate) via gas chromatography with flame ionization detection. |
| Water Content | Karl Fischer Titration | Determines trace water by coulometric or volumetric titration using iodine generated electrochemically in pyridine/methanol medium. |
| Acid Value | Acid-Base Titration | Measures free acid content by titration with standardized KOH solution using phenolphthalein indicator. |
| Saponification Value | Back Titration | Determines average molecular weight of esters by alkaline hydrolysis followed by titration of excess KOH with HCl. |
| Heavy Metals | ICP-OES | Quantifies Pb, Cd, Hg, As, and other heavy metals after acid digestion using inductively coupled plasma optical emission spectrometry. |
| Residue on Ignition | Gravimetric Analysis | Measures inorganic residue after high-temperature ashing (700-800 C) and weighing of the crucible residue. |
| Melting Point | Capillary Melting Point Apparatus | Determines temperature range at which solid transitions to liquid using calibrated capillary tube method. |
| Specific Optical Rotation | Polarimetry | Measures chiral purity by detecting rotation of plane-polarized light in solution at specified concentration and wavelength (e.g., 589 nm). |
| Appearance | Visual Inspection | Assesses physical state, color, and clarity of sample against standard white background under controlled lighting. |
| Particle Size Distribution | Laser Diffraction | Determines size distribution of solid particles in suspension using angular scattering pattern of laser beam. |
Technical Specifications of Cholesteryl acetate
| Test Item | Specification |
|---|---|
| Appearance | White crystalline powder |
| Purity | >=98.0% (GC-MS) |
| Melting Point | 113–117°C |
| Optical Rotation | -43.0 to -37.0° (c=2, in CHCl3) |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Residue on Ignition | <=0.1% |
| Heavy Metals | <=10 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 Cholesteryl acetate
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of Cholesteryl acetate
Packaging of Cholesteryl acetate
Industrial Cholesteryl acetate 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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