China Factory Direct
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| CAS number | 28920-43-6 |
| Product name | 9-Fluorenylmethyl chloroformate |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Industrial GradeSpecialty 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) |
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 |
|---|---|---|
| Pharmaceutical Intermediates | Protecting group in the synthesis of drug molecules | Fmoc chloride reacts with alcohols or phenols to form corresponding carbonates, serving as protecting groups for subsequent chemical transformations |
| Organic Synthesis | Intermediate for synthesizing other compounds | Used as a reagent in organic synthesis, participating in various reactions such as esterification and acylation |
| Test Item | Common Testing Methods | Method Overview |
|---|---|---|
| Appearance | Visual Inspection | Observe the color, state, and transparency of the sample. Fmoc-Cl is usually a white to off-white crystalline powder or solid, with no visible impurities. |
| Purity/Content | High-Performance Liquid Chromatography (HPLC) | Use a reversed-phase C18 column with a UV detector (typically at 265–280 nm). The content of the main component is calculated based on peak area to assess purity. Suitable for quantitative analysis of Fmoc-Cl and related impurities. |
| Melting Point | Melting Point Determination (Capillary Method) | Determine the melting temperature range. The standard melting point of Fmoc-Cl is approximately 62–65°C, which can be used to preliminarily assess its purity and consistency. |
| Moisture | Karl Fischer Titration | Quantitatively determine the moisture content in the sample. Fmoc-Cl is sensitive to water, and excessive moisture can lead to degradation. Typically, moisture should be ≤ 0.5%. |
| Residual Solvents | Gas Chromatography (GC) | Detect residual organic solvents from the production process (such as ethyl acetate, toluene, dichloromethane, etc.). Limits are set according to pharmacopoeia or ICH guidelines. |
| Related Substances/Impurities | HPLC or LC-MS | Analyze by-products or degradation products from synthesis, such as 9-fluorenomethanol, Fmoc-OH, and dimeric Fmoc compounds. LC-MS can assist in structural identification. |
| Chlorine Content (Active Group) | Elemental Analysis or Titration | Determine the chlorine content through elemental analysis, or use argentometric titration after alkaline hydrolysis to measure the released chloride ions, verifying the integrity of the functional group. |
| Infrared Spectroscopy (IR) | Fourier Transform Infrared Spectroscopy (FT-IR) | Compare with standard spectra to confirm characteristic functional groups: such as C=O stretching vibration (~1770 cm⁻¹), aromatic ring skeletal vibrations (~1600, 1500 cm⁻¹), and C-O-C, for qualitative identification. |
| Nuclear Magnetic Resonance (NMR) | ¹H-NMR or ¹³C-NMR | Measure in deuterated solvents (such as CDCl₃) to confirm molecular structure, identify characteristic proton signals (such as multiplets from the fluorene ring, methylene peaks, etc.), for structural confirmation and impurity analysis. |
| Test Item | Specification |
|---|---|
| Appearance | White to light yellow crystalline powder |
| Purity | >=98.0% (HPLC) |
| Water Content (KF) | <=0.5% |
| Melting Point | 172-176°C |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Identification (NMR) | Consistent with structure |
| Residue on Ignition | <=0.1% |
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| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
| Pictograms | ![]() |
| Signal Word | Danger |
| Safety Data Sheet | |
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.