(1R,2R)-N,N'-DI-P-TOLUENESULFONYL-1,2-DIPHENYL-1,2-ETHYLENEDIAMINE Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 121758-19-8 |
| Product name | (1R,2R)-N,N'-DI-P-TOLUENESULFONYL-1,2-DIPHENYL-1,2-ETHYLENEDIAMINE |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical GradeMaterial 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) |
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Documents We Provide for 121758-19-8
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 121758-19-8 Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 121758-19-8
| Industry | Application | Process |
|---|---|---|
| Chemical Synthesis | Used as a chiral ligand or catalyst precursor in asymmetric synthesis reactions | Forms chiral catalysts via coordination with metal ions (e.g., copper, nickel), applied in alkene epoxidation, Diels–Alder reactions, and asymmetric addition reactions |
| Pharmaceutical R&D | Used as a chiral intermediate in the synthesis of stereoselective drug molecules | Acts as a chiral auxiliary in multistep organic synthesis to control stereochemistry at chiral centers, followed by cleavage via acidolysis or reduction |
| Materials Science | Used to construct chiral functional materials or molecular recognition systems | Serves as a chiral scaffold in metal–organic frameworks (MOFs) or supramolecular assembly, enabling enantioselective adsorption or separation |
Manufacturing Quality Control of 121758-19-8
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC with UV detection | Quantification based on peak area comparison against a certified reference standard using reversed-phase chromatography. |
| Chiral Purity | Chiral HPLC | Separation of enantiomers on a chiral stationary phase; determination of (1R,2R)-isomer content relative to total stereoisomers. |
| Residual Solvents | GC-FID | Identification and quantification of volatile organic solvents by gas chromatographic separation and flame ionization detection. |
| Water Content | Karl Fischer titration | Electrochemical titration measuring water via iodine-sulfur dioxide reaction in pyridine-methanol medium. |
| Heavy Metals | ICP-MS | Multi-element quantification of toxic metals (e.g., Pb, Cd, Hg, Ni) after acid digestion using inductively coupled plasma mass spectrometry. |
| Residual Tosyl Chloride | GC-MS | Detection and quantification of unreacted tosyl chloride by gas chromatography coupled with mass spectrometric identification. |
| Melting Point | Capillary melting point apparatus | Thermal transition measurement using controlled heating and visual observation of solid-to-liquid phase change. |
| Specific Optical Rotation | Polarimetry | Measurement of rotation angle of plane-polarized light induced by chiral compound in solution at specified concentration and wavelength. |
| Loss on Drying | Gravimetric thermogravimetry | Mass loss determination after drying under controlled temperature and vacuum, indicating volatile impurities and moisture. |
| Particle Size Distribution | Laser diffraction | Analysis of scattered laser light intensity to determine size distribution of solid particles in suspension or dry dispersion. |
| pH of Aqueous Suspension | pH meter | Measurement of hydrogen ion activity in a standardized aqueous slurry using calibrated glass electrode. |
| Organic Impurities (Related Substances) | UPLC-QTOF MS | High-resolution separation and identification of structurally related impurities using ultra-performance liquid chromatography coupled with time-of-flight mass spectrometry. |
Technical Specifications of 121758-19-8
| Test Item | Specification |
|---|---|
| Appearance | Off-white crystalline solid |
| Purity | >=98.0% (LC-MS), >=99.0% ee |
| Melting Point | 198–202 °C |
| Optical Rotation | [α]D²⁰ = -155° to -165° (c = 1, CHCl₃) |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Water Content (KF) | <=0.5% |
| Identification (NMR) | Consistent with structure |
| Identification (IR) | Consistent with structure |
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 121758-19-8
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 121758-19-8
Packaging of 121758-19-8
Industrial 121758-19-8 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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