China Factory Direct
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| CAS number | 85201-91-8 |
| Product name | Z-HYP(TBU)-OH |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Industrial 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) |
Based on current marketvolatility and material availability.
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
| Industry | Application | Process |
|---|---|---|
| Pharmaceuticals | Used as a chiral auxiliary in the synthesis of optically active drug molecules | Forms diastereomeric mixtures with target compounds, followed by separation (e.g., crystallization) to isolate single-configuration products |
| Organic Synthesis | Employed as a chiral ligand or catalyst in asymmetric synthesis | Provides a chiral environment in transition-metal-catalyzed reactions to selectively generate products with specific stereochemistry |
| Fine Chemicals | Serves as an intermediate in the production of other chemicals | Undergoes chemical transformations—including esterification and amidation—to yield more complex organic compounds |
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantifies main component using reversed-phase HPLC with UV detection at 210-220 nm based on peak area comparison against reference standard. |
| Chiral Purity | Chiral HPLC | Measures enantiomeric excess by separation on a chiral stationary phase and UV detection, comparing retention times and peak areas of enantiomers. |
| Residual Solvents | GC-FID | Detects and quantifies volatile organic solvents (e.g., methanol, ethyl acetate) using gas chromatography with flame ionization detection. |
| Water Content | Karl Fischer Titration | Determines water content via coulometric or volumetric titration using iodine-based redox reaction in anhydrous methanol/pyridine medium. |
| Heavy Metals | ICP-MS | Quantifies trace heavy metals (e.g., Pb, Cd, Ni) after acid digestion by measuring elemental mass-to-charge ratios with high sensitivity and multi-element capability. |
| Residual Palladium | ICP-OES | Measures palladium residues from catalytic hydrogenation steps using inductively coupled plasma optical emission spectroscopy. |
| Loss on Drying | Gravimetric Analysis | Determines volatile matter by measuring mass loss after drying under controlled temperature and vacuum conditions. |
| Optical Rotation | Polarimetry | Measures specific rotation using sodium D-line light to confirm chiral integrity and batch-to-batch consistency. |
| Appearance | Visual Inspection | Assesses physical state, color, and presence of foreign particles under controlled lighting and against established visual standards. |
| pH of Solution | Potentiometric pH Measurement | Determines acidity/basicity of a standardized aqueous or aqueous-organic solution using calibrated glass electrode and pH meter. |
| Related Substances | HPLC-UV | Identifies and quantifies structurally related impurities (e.g., deprotected, hydrolyzed, or diastereomeric forms) using gradient HPLC with UV detection. |
| Residual Benzyl Chloride | GC-MS | Detects and quantifies benzyl chloride (a potential alkylating impurity from BOC protection step) using gas chromatography coupled with mass spectrometry. |
| Test Item | Specification |
|---|---|
| Appearance | White to off-white crystalline powder |
| Purity | >=98.5% |
| Total Impurities | <=1.5% |
| Single Impurity | <=0.5% |
| Water Content (KF) | <=0.5% |
| Melting Point | 128°C – 132°C |
| Optical Rotation | -25.0° to -29.0° (c=1, in CHCl3) |
| Heavy Metals | <=10 ppm |
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| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
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.