Fmoc-4,5-dehydro-D-Leucine structure

Fmoc-4,5-dehydro-D-Leucine

TL;DR: Fmoc-4,5-dehydro-D-Leucine (CAS 87720-55-6) is a chemical compound with molecular formula C21H21NO4 and molecular weight 351.15 g/mol, supplied by Kehong Biological (Henan Kehong Biological Technology Co., Ltd.) with CRO/CDMO custom synthesis services.

(2R)-2-(9H-fluoren-9-ylmethoxycarbonylamino)-4-methylpent-4-enoic acid

Also Known As: Fmoc-4,5-dehydro-D-Leucine, Fmoc-(R)-2-methallylglycine, Fmoc-4,5-dehydro-D-Leu-OH, Fmoc-4,5-dehydro-Leu-OH, Fmoc-D-Leu(4,5-dehydro)-OH

CAS: 87720-55-6
Molecular Formula C21H21NO4
Molecular Weight 351.15 g/mol
LogP 3.9445
Topological Polar Surface Area 75.63 Ų
Hydrogen Bond Donors 2
Hydrogen Bond Acceptors 3
Rotatable Bonds 6
Exact Mass 351.14706
Heavy Atoms 26
Complexity 813.0945

Chemical Identifiers

CAS Number 87720-55-6
SMILES CC(=C)C[C@H](C(=O)O)NC(=O)OCC1C2=CC=CC=C2C3=CC=CC=C13

Product Overview

Fmoc-4,5-dehydro-D-Leucine (CAS 87720-55-6), with molecular formula C21H21NO4 and molecular weight 351.15 g/mol. IUPAC: (2R)-2-(9H-fluoren-9-ylmethoxycarbonylamino)-4-methylpent-4-enoic acid.

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Safety Data Sheet (MSDS / SDS) View the Laboratory Chemical Safety Summary (LCSS) on PubChem — includes GHS classifications, hazard statements, first aid measures, and handling precautions.
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Chemical Property Profile of Fmoc-4,5-dehydro-D-Leucine

XLogP
3.9445
TPSA (Topological Polar Surface Area)
75.63
Hydrogen Bond Donors
2
Hydrogen Bond Acceptors
3
Rotatable Bonds
6
Heavy Atoms
26
Complexity
813.0945
Exact Mass
351.14706
Monoisotopic Mass
351.14706
Data Source: Chemical property values are referenced from PubChem, the world's largest open chemistry database maintained by the National Center for Biotechnology Information (NCBI), U.S. National Library of Medicine.

Property Insights of Fmoc-4,5-dehydro-D-Leucine

The XLogP value of 3.9445 indicates that Fmoc-4,5-dehydro-D-Leucine is lipophilic (fat-soluble), which may influence its absorption, distribution, and formulation strategy. The TPSA of 75.63 Ų falls within the moderate polarity range, balancing permeability and solubility for Fmoc-4,5-dehydro-D-Leucine. Following Lipinski's Rule of Five, Fmoc-4,5-dehydro-D-Leucine has 2 hydrogen bond donor(s) and 3 hydrogen bond acceptor(s), all within the drug-like range, suggesting favorable oral bioavailability potential.

Frequently Asked Questions

What is the typical lead time for this product?
Lead time typically ranges from 3-7 business days for in-stock items. For larger quantities or custom orders, please contact us for specific lead times.
Can you provide samples for testing?
Yes, we offer sample quantities for quality testing. Please submit an inquiry with your requirements and we will arrange samples accordingly.
What documentation do you provide with the product?
We provide COA (Certificate of Analysis), MSDS (Material Safety Data Sheet), and technical data sheets with each shipment.
Do you ship internationally?
Yes, we ship to most countries worldwide. Shipping costs and delivery times vary by location. Please contact us for specific shipping information.

Frequently Asked Questions

What is the CAS number of Fmoc-4,5-dehydro-D-Leucine?

The CAS number of Fmoc-4,5-dehydro-D-Leucine is 87720-55-6.

What is the molecular formula of Fmoc-4,5-dehydro-D-Leucine?

The molecular formula of Fmoc-4,5-dehydro-D-Leucine is C21H21NO4.

What is the molecular weight of Fmoc-4,5-dehydro-D-Leucine?

The molecular weight of Fmoc-4,5-dehydro-D-Leucine is 351.15 g/mol.

Where can I buy Fmoc-4,5-dehydro-D-Leucine?

You can request a quote for Fmoc-4,5-dehydro-D-Leucine directly from KEHONG BIO. Contact us or email info@kehongbio.com for pricing and availability.

Does KEHONG BIO offer custom synthesis for Fmoc-4,5-dehydro-D-Leucine?

Yes, KEHONG BIO provides custom synthesis services for Fmoc-4,5-dehydro-D-Leucine and related compounds. Contact us with your specific requirements including quantity, purity, and timeline.

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