China Factory Direct
|
|
| CAS number | 934816-82-7 |
| Product name | 2-Chlorotritylchloride resin (100-200 mesh), 1% DVB |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical GradeMaterial GradeSpecialty GradeReagent 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 |
|---|---|---|
| Pharmaceutical R&D | Protecting group support in solid-phase synthesis | Used for reversible protection of hydroxyl or amino groups via the 2-chlorotrityl moiety in peptide or oligonucleotide synthesis, enabling subsequent deprotection and purification |
| Biochemistry | Solid-phase organic synthesis (SPOS) reagent | Acts as a solid support in combinatorial chemical synthesis, facilitating efficient parallel synthesis and screening |
| Materials Science | Functionalized resin preparation | Applied in the preparation of polymeric materials with specific reactive sites for molecular recognition or catalysis |
| Analytical Chemistry | Purification tool for synthetic intermediates | Enables solid-phase capture of target molecules and removal of impurities following solution-phase synthesis, leveraging its immobilization capability |
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantification based on peak area comparison against a certified reference standard using UV detection at specified wavelength. |
| Residual Solvents | GC-FID | Separation and quantification of volatile organic solvents by gas chromatography with flame ionization detection. |
| Moisture Content | Karl Fischer Titration | Electrochemical titration measuring water content via reaction of iodine with water in a controlled anhydrous environment. |
| Chlorine Content | Oxidative Combustion followed by Ion Chromatography | Complete combustion to convert organic chlorine to chloride ions, followed by separation and quantification via ion chromatography. |
| Heavy Metals | ICP-OES | Multi-element detection after acid digestion by measuring characteristic atomic emission spectra in inductively coupled plasma. |
| Particle Size Distribution | Laser Diffraction | Analysis of light scattering patterns from dispersed particles to determine size distribution based on Mie theory. |
| Bulk Density | ASTM D1895 Method A | Measurement of mass per unit volume of freely settled powder in a standardized graduated cylinder. |
| Loss on Drying | Gravimetric Analysis | Weight loss determined after drying under controlled temperature and vacuum conditions to assess volatile and moisture content. |
| Acid Value | Potentiometric Titration | Neutralization of acidic functional groups with standardized KOH solution, monitored by potentiometric endpoint detection. |
| Color | Visual Comparison or Spectrophotometry | Assessment of sample color intensity against standard platinum-cobalt scale or absorbance measurement at 430 nm. |
| Resin Swelling Ratio | Gravimetric Swelling Test | Ratio of swollen resin mass to dry resin mass after equilibrium immersion in specified solvent. |
| Functional Group Loading | Elemental Analysis (CHN Cl) | Quantitative determination of carbon, hydrogen, nitrogen, and chlorine content to calculate theoretical loading per gram of resin. |
| Test Item | Specification |
|---|---|
| Appearance | Pale-brown solid |
| Purity | >=98.0% (by HPLC) |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Water Content (KF) | <=0.5% |
| Residue on Ignition | <=0.3% |
| Solubility | Freely soluble in dichloromethane, insoluble in water |
| Odor | Characteristic mild organic odor |
|
|
|
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
| Pictograms | ![]() |
| Signal Word | Warning |
| 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.