Fmoc-O-Tert-Butyl-L-Serine(CAS 71989-33-8)
| Purity | Grade | Package | Stock | Price | Quantity |
| 98% | RG | 5G | In Stock | 3 USD
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| 98% | RG | 25G | In Stock | 14 USD
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| 98% | RG | 100G | In Stock | 47 USD
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| 98% | RG | 500G | In Stock | 214 USD
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| 98% | RG | 2.5KG | In Stock | 1682 USD
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Available NMR Spectrum
Verified In Stock
Fast Shipping ISO 9001
Quality System
Applications of 71989-33-8
| Industry | Application | Process |
|---|---|---|
| Pharmaceuticals | Intermediate in the synthesis of peptide-based drugs, used to construct serine-containing, protected amino acid building blocks | Used as an Fmoc-protected serine derivative in solid-phase peptide synthesis (SPPS) for coupling reactions |
| Biotechnology | Synthesis of custom peptides for protein engineering and functional studies | Peptide chain elongation under the Fmoc/tBu strategy, with the hydroxyl group protected by tert-butyl and the α-amino group protected by Fmoc |
| Chemical Research | Chiral building block for developing novel organic molecules or probes | Participates in asymmetric synthesis or labeling reactions following deprotection and functional group transformation |
Physical and chemical properties of 71989-33-8
Acidity coefficient |
3.44±0.10(Predicted) |
|---|---|
Boiling Point |
578.6±50.0 °C at 760 mmHg |
BRN |
3632013 |
Density |
1.2±0.1 g/cm3 |
Exact Mass |
383.173279 |
Flash Point |
303.7±30.1 °C |
Index of Refraction |
1.575 |
LogP |
5.10 |
Melting Point |
130.5-135.5 °C(lit.) |
Molecular Formula |
C22H25NO5 |
Molecular Weight |
383.438 |
optical activity |
[α]20/D +25.5±1°, c = 1% in ethyl acetate |
PSA |
84.86000 |
Specific rotation |
25 º (c=1,EtOAc 24 ºC) |
Storage condition |
2~8°C |
Vapour Pressure |
0.0±1.7 mmHg at 25°C |
Spectrums of 71989-33-8
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 71989-33-8
Q&A for CAS 71989-33-8
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. For bulk orders of Chemical Reagents, we offer competitive pricing. Submit a quotation request and we’ll provide a tailored offer.
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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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We accept Pay Local Currency via bank transfer (T/T), PayPal, and other methods. Credit terms are available for qualified long-term partners.
Download SDS of 71989-33-8
Pictograms |
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|---|---|
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 71989-33-8
Operate under the ISO 9001 system
