L-Leucine Benzyl Ester P-Toluenesulfonate Salt(CAS 1738-77-8)
| Purity | Grade | Package | Stock | Price | Quantity |
| 98% | RG | 5G | In Stock | 4 USD
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| 98% | RG | 25G | In Stock | 9 USD
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| 98% | RG | 100G | In Stock | 21 USD
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| 98% | RG | 500G | In Stock | 91 USD
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| 98% | RG | 2.5KG | In Stock | 437 USD
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| 98% | RG | 10KG | In Stock | 1664 USD
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| Bulk Packaging | 500KG | substantially lower unit cost than small-pack SKUs. Contact us for a fast quotation. | |||
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Your region is eligible for ordering. Available NMR Spectrum
Verified In Stock
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Quality System
Applications of 1738-77-8
| Industry | Application | Process |
|---|---|---|
| Pharmaceutical R&D | Chiral building block for synthesizing peptide-based drugs and bioactive compounds containing leucine motifs | Protected amino acid derivative used in solid-phase or liquid-phase peptide synthesis (SPPS/LPPS) to form amide bonds |
| Biochemical Research | Enzymology studies, protein structure modification, and development of metabolic pathway probes | Leucine precursor employed in enzyme-catalyzed reactions or cell culture experiments under simulated physiological conditions |
| Fine Chemicals | Synthesis of optically pure intermediates for high-value chiral chemicals | Chiral auxiliary or starting material in asymmetric synthesis or resolution processes to prepare target molecules |
Physical and chemical properties of 1738-77-8
Boiling Point |
302.5ºC at 760 mmHg |
|---|---|
BRN |
3566840 |
Exact Mass |
393.160980 |
Flash Point |
157.6ºC |
Index of Refraction |
5 ° (C=2, DMF) |
LogP |
5.12600 |
Melting Point |
153-160 °C |
Molecular Formula |
C20H27NO5S |
Molecular Weight |
393.497 |
optical activity |
[α]20/D +5.0±0.3°, c = 2% in DMF |
PSA |
115.07000 |
Solubility |
soluble in Methanol |
Storage condition |
2-8°C |
Vapour Pressure |
0.000987mmHg at 25°C |
Spectrums of 1738-77-8
1.The NMR spectrum displayed on the page is a pre-sale reference spectrum and may differ from that of the actual received batch.
2.The accompanying documentation will include the NMR spectrum and purity analysis data for the shipped batch.
Retrosynthesis analysis of 1738-77-8
Cas:104-15-4
Cas:1738-69-8
Cas:100-51-6
Cas:61-90-5
Q&A for CAS 1738-77-8
1. How can I verify product quality?
Every batch of our Chemical Reagents is tested to meet ISO 9001 standards. We provide COA & NMR & SDS Provided with each shipment. Batch COA available for verification, and third-party retesting is supported. A full refund is offered if our data is incorrect.
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Orders from Ready stock / In stock items typically Ships Tomorrow via Fast Shipping via FedEx/DHL/UPS. International deliveries usually arrive within 7 business days, subject to customs clearance.
3. What if the received product doesn’t meet quality standards?
If your Lab Grade Chemical Reagents do not match the Batch COA available, we will issue a replacement or a full refund upon verification.
4. Are hazardous labels included? How is safe shipping ensured?
Hazardous products are labeled and packaged following international regulations. We provide SDS Provided with all hazardous shipments to ensure safe and compliant transport.
5. Do you offer technical support?
Yes. Our Lab Supplier team is available to assist with questions about product usage, storage, Lab Grade requirements, applications, and more.
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Yes, samples are available for selected Lab Grade products. Please submit a request to confirm availability and specifications.
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Yes. Items labeled In stock / Ready stock on our website are available for immediate shipment, usually within 1–2 business days. Large packs or custom specifications require lead time confirmation.
9. Can you customize purity or packaging?
Yes. We support customization of Lab Grade purity, packaging size, and special testing requirements. Share your needs and we’ll provide a tailored solution.
10. Is the COA consistent with the shipped batch?
Yes. Batch COA available matches the actual shipment. COAs shown online are for reference or from previous batches.
11. Do you support long-term supply agreements?
Yes. We offer Lab Supplier services for stable batch consistency, pricing agreements, and safety stock for long-term customers to ensure uninterrupted supply.
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Download SDS of 1738-77-8
Pictograms |
 |
|---|---|
Signal Word |
Warning |
Hazard Statements |
H302 Harmful if swallowed H315 Causes skin irritation H319 Causes serious eye irritation H335 May cause respiratory irritation |
Safety Data Sheet |
Download COA of 1738-77-8
Operate under the ISO 9001 system
