China Factory Direct
|
|
| CAS number | 103213-32-7 |
| Product name | FMOC-S-trityl-L-cysteine |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical GradeMaterial GradeSpecialty GradeReagent 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 Synthesis | Intermediate for synthesizing peptide-based drugs | Used as a protected amino acid in solid-phase peptide synthesis to construct peptides with defined sequences |
| Biopharmaceuticals | Peptide drug development | Enables stepwise peptide chain assembly through Fmoc deprotection and coupling reactions |
| Chemical Reagents | Synthesis of chemical reagents | Applied in the preparation of other organosulfur compounds or as a synthetic intermediate |
| Polymeric Materials | Synthesis of functional polymeric materials | Employed as a monomer in the synthesis of polymers with specific functionalities |
| Detection Item | Common Testing Method | Method Overview |
|---|---|---|
| Appearance | Visual Inspection | Observe the sample's color, physical state, and presence of agglomeration. Typically appears as a white to off-white powder with no visible impurities. |
| Purity | High-Performance Liquid Chromatography (HPLC) | Uses reversed-phase HPLC (e.g., C18 column) with UV detection (around 220 nm or 260 nm), measuring the peak area percentage of the main component to assess chemical purity. Typically requires ≥98% or higher. |
| Chiral Purity | Chiral High-Performance Liquid Chromatography (Chiral HPLC) | Employs chiral chromatographic columns to separate L- and D-isomers, evaluating enantiomeric excess (ee value) to ensure absence of D-isomer impurities. |
| Moisture Content | Karl Fischer Titration | Determines water content using coulometric or volumetric Karl Fischer methods, controlled within a specified range (e.g., ≤0.5%). |
| Residual Solvents | Gas Chromatography (GC) | Tests for residual organic solvents (e.g., DMF, dichloromethane, ethyl acetate) from synthesis processes, complying with ICH guideline limits. |
| Content Determination | Titration or HPLC External Standard Method | Quantifies active ingredient content via acid-base titration or HPLC comparison with a reference standard. |
| Melting Point | Melting Point Apparatus Measurement | Determines the melting temperature range, used for auxiliary identification and assessment of crystalline purity. |
| UV Absorption Characteristics | Ultraviolet-Visible Spectrophotometry (UV-Vis) | Measures absorbance at specific wavelengths (e.g., around 267 nm) to confirm the presence of the Fmoc group and estimate concentration. |
| Thin Layer Chromatography (TLC) | Thin Layer Chromatography | Used for rapid preliminary assessment of purity and reaction progress; developed using a specific eluent system and visualized under UV light. |
| Infrared Spectroscopy (IR) | Fourier Transform Infrared Spectroscopy (FT-IR) | Identifies characteristic functional group absorption peaks (e.g., amide bond, Fmoc aromatic ring, S-Trt structure) for structural confirmation. |
| Nuclear Magnetic Resonance (NMR) | ¹H-NMR and ¹³C-NMR | Measured in deuterated solvents (e.g., DMSO-d6), providing proton and carbon spectra to confirm molecular structure and detect impurity signals. |
| Heavy Metal Residues | Atomic Absorption Spectroscopy (AAS) or ICP-MS | Detects levels of heavy metals such as lead, mercury, cadmium, and arsenic, meeting pharmacopoeial or GMP requirements. |
| Test Item | Specification |
|---|---|
| Appearance | White solid |
| Purity | >=98.0% (LC-MS) |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Optical Rotation | +15.0 to +19.0 deg (c=1, DMF) |
| Melting Point | 148 to 152 °C |
| Identification (NMR) | Consistent with structure |
|
|
|
| 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.