4-AMINO-2-[(TERT-BUTOXYCARBONYL)AMINO]-4-OXOBUTANOIC ACID Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 142847-17-4 |
| Product name | 4-AMINO-2-[(TERT-BUTOXYCARBONYL)AMINO]-4-OXOBUTANOIC ACID |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Industrial 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 4-AMINO-2-[(TERT-BUTOXYCARBONYL)AMINO]-4-OXOBUTANOIC ACID
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 4-AMINO-2-[(TERT-BUTOXYCARBONYL)AMINO]-4-OXOBUTANOIC ACID Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 4-AMINO-2-[(TERT-BUTOXYCARBONYL)AMINO]-4-OXOBUTANOIC ACID
| Industry | Application | Process |
|---|---|---|
| Pharmaceutical R&D | Peptide synthesis intermediate for constructing therapeutic peptides containing modified amino acids | Used as a protected form of glutamic acid in solid-phase peptide synthesis (SPPS); deprotected to participate in peptide chain elongation |
Manufacturing Quality Control of 4-AMINO-2-[(TERT-BUTOXYCARBONYL)AMINO]-4-OXOBUTANOIC ACID
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantification by peak area comparison against a certified reference standard using reversed-phase chromatography and UV detection at 210 nm. |
| Related Substances | HPLC-UV | Separation and quantification of structurally related impurities using gradient reversed-phase HPLC with UV detection. |
| Residual Solvents | GC-FID | Identification and quantification of volatile organic solvents based on retention time and peak area relative to internal standard calibration. |
| Water Content | Karl Fischer Titration | Electrochemical titration using iodine generated in situ to determine water content via stoichiometric reaction with iodine and sulfur dioxide. |
| Heavy Metals | ICP-OES | Multi-element quantification of toxic metals (e.g., Pb, Cd, Hg, As) after acid digestion, based on atomic emission intensity at element-specific wavelengths. |
| Chloride Impurity | Ion Chromatography | Separation and conductivity-based quantification of chloride ions using anion-exchange column and suppressed conductivity detection. |
| Residual t-Butyl Carbonate | GC-MS | Identification and quantification of Boc group decomposition products using gas chromatography coupled with mass spectrometric detection. |
| Optical Rotation | [alpha]D Measurement | Determination of specific optical rotation using sodium D-line light source to assess chiral integrity and enantiomeric purity. |
| Melting Point | Capillary Melting Point Apparatus | Thermal determination of solid-to-liquid transition range using controlled heating and visual observation of phase change. |
| pH (1% aqueous solution) | pH Meter | Electrochemical measurement of hydrogen ion activity in a standardized aqueous suspension using calibrated glass electrode. |
| Particle Size Distribution | Laser Diffraction | Analysis of particle size distribution based on angular variation of laser light scattering intensity from dispersed sample. |
| Microbial Contamination | Membrane Filtration | Quantitative recovery and enumeration of viable aerobic microorganisms by filtration, membrane transfer, and colony formation on agar medium. |
Technical Specifications of 4-AMINO-2-[(TERT-BUTOXYCARBONYL)AMINO]-4-OXOBUTANOIC ACID
| Test Item | Specification |
|---|---|
| Appearance | White to off-white crystalline powder |
| Purity | >=98.0% |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Water Content (KF) | <=0.5% |
| Melting Point | 168–172 °C |
| Identification (NMR) | Consistent with structure |
| Heavy Metals | <=10 ppm |
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 4-AMINO-2-[(TERT-BUTOXYCARBONYL)AMINO]-4-OXOBUTANOIC ACID
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
Safety Information of 4-AMINO-2-[(TERT-BUTOXYCARBONYL)AMINO]-4-OXOBUTANOIC ACID
| Pictograms |  |
| Signal Word | Warning |
| Safety Data Sheet | |
Packaging of 4-AMINO-2-[(TERT-BUTOXYCARBONYL)AMINO]-4-OXOBUTANOIC ACID
Industrial 4-AMINO-2-[(TERT-BUTOXYCARBONYL)AMINO]-4-OXOBUTANOIC ACID 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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