Dihydrocholesterol Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 80-97-7 |
| Product name | Dihydrocholesterol |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Food GradeCosmetic 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 Dihydrocholesterol
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk Dihydrocholesterol Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of Dihydrocholesterol
| Industry | Application | Process |
|---|---|---|
| Pharmaceuticals | Intermediate in the synthesis of vitamin D3 | High-temperature dehydrogenation |
| Food additives | Production of vitamin D3 dietary supplements | Chemical modification and purification |
| Cosmetics | Formulated into skin care products to support skin health | Micronization or direct incorporation |
Manufacturing Quality Control of Dihydrocholesterol
| Test Item | Common Testing Method | Method Overview |
|---|---|---|
| Content Determination | High-Performance Liquid Chromatography (HPLC) | A reverse-phase C18 chromatographic column is used, with methanol/water or acetonitrile/water as the mobile phase. An ultraviolet detector (typically at 200–210 nm) is employed for detection, and quantification is achieved by comparison with a standard. |
| Purity Analysis | Ultra-Performance Liquid Chromatography (UPLC) | Utilizes sub-2 μm particle-packed columns to achieve higher separation efficiency, enabling high-resolution separation in a shorter analysis time to evaluate the purity of the main component and impurity levels. |
| Structure Confirmation | Nuclear Magnetic Resonance Spectroscopy (NMR) | ¹H-NMR and ¹³C-NMR are used to analyze characteristic chemical shifts and coupling constants to confirm whether the molecular structure is that of dihydrocholesterol. |
| Molecular Weight and Fragment Information | Mass Spectrometry (MS) | Typically coupled with GC or LC (e.g., LC-MS), it provides accurate molecular weight and fragment ion information to assist in structural identification and impurity recognition. |
| Crystal Form/Phase Analysis | X-ray Powder Diffraction (XRPD) | Used to analyze the crystalline characteristics of solid samples, ensuring consistency in physical form between batches, which affects stability and solubility. |
| Residual Solvent Detection | Gas Chromatography (GC) | Uses headspace or direct injection methods combined with an FID detector to detect residual organic solvents (such as methanol, ethanol, acetone, etc.) from the production process. |
| Related Substances/Impurity Analysis | Liquid Chromatography-Mass Spectrometry (LC-MS) | Combines the separation capability of HPLC with the qualitative ability of MS to identify and quantify potential process-related impurities or degradation products. |
| Melting Point Determination | Differential Scanning Calorimetry (DSC) or Capillary Method | DSC provides both melting point and thermal behavior information; the traditional capillary method is simple to operate and used for quick purity assessment (pure substances have narrow melting ranges). |
Technical Specifications of Dihydrocholesterol
| Test Item | Specification |
|---|---|
| Appearance | White powder |
| Purity | >=98.0% (NMR) |
| Melting Point | 143–147 °C |
| Optical Rotation | +20.0 to +28.0 ° (c=1, in chloroform) |
| 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 Dihydrocholesterol
| CAS/Product ID | *Required fields | |
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NMR Spectra of Dihydrocholesterol
Packaging of Dihydrocholesterol
Industrial Dihydrocholesterol 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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