H-Phe-Leu-OH

Name: H-Phe-Leu-OH
Brand: ChemScene
Availability: InStock
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CAS No. 3303-55-7
Cat. No. CS-0077187
Purity≥95%
MDL No.MFCD00038297

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Each bottle is packed as an Excepted Quantity, with a maximum of 1g for items in class 6.1 packing group I or II, and up to 25g for all other hazardous materials.

If shipping is charged to your FedEx account, the HazMat fee will be billed directly by the courier. Otherwise, the fee will be included on your invoice. To help you avoid the HazMat fee, we can package a 5g order of a class 6.1 packing group I or II material as five separate 1g units, and a 100g order of any other dangerous good as four 25g units. This packaging adjustment will be made unless you instruct otherwise on your purchase order. Below, you will find the fee schedule from FedEx for handling hazardous materials.

Type	HazMat Fee
Excepted Quantity	$0.00
FedEx Limited Quantities Ground	$0.00
Hazmat Ground shipping	$50.00+
Inaccessible (Haz class 6.1 or 9), Domestic	$68.00+
Accessible (Haz class 3, 4, 5 or 8), Domestic	$158.00+
Inaccessible (Haz class 6.1 or 9), International	$108.00+
Accessible (Haz class 3, 4, 5 or 8), International	$238.00+

An item is classified as a dangerous good if our website displays Hazardous Material (HazMat) information for it.

There is a HazMat shipping fee for each item that qualifies as a dangerous good. Please contact our quotation team via email to confirm the details.

*For research and further manufacturing use only, not for direct human use.

Structure of 3303-55-7

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Description

L-Phenylalanyl-L-leucine is a dipeptide featuring a phenylalanine residue linked via a peptide bond to leucine, offering enhanced stability and solubility in aqueous systems. This dipeptide serves as a key building block in peptide synthesis and bioactive compound development, particularly where hydrophobic character and metabolic resistance are required.

Application

L-Phenylalanyl-L-leucine serves as a stable dipeptide building block for peptide synthesis, offering predictable coupling efficiency and orthogonal protection compatibility. Its hydrophobic side chains enhance solubility in organic media and facilitate purification via standard chromatographic methods. Functions reliably in solid-phase and solution-phase workflows, enabling access to bioactive peptide sequences with high fidelity.

General Information

CAS No. 3303-55-7
Cat. No. CS-0077187
Purity ≥95%
MDL No. MFCD00038297
Storage 4°C
Shipping Room temperature in continental US; may vary elsewhere.
Molecular Formula C₁₅H₂₂N₂O₃
Molecular Weight 278.35
Synonym(s) L-Phenylalanyl-L-leucine; Phe-Leu
SMILES CC(C)C[C@@H](C(O)=O)NC([C@H](CC1=CC=CC=C1)N)=O

Computational Chemistry Data

TPSA 92.42
LogP 1.1719
H_Acceptors 3
H_Donors 3
Rotatable_Bonds 7

Safety Information

Download SDS

GHS Pictogram :	GHS No : GHS07
Signal Word : Warning	UN#: N/A
Class : N/A	Packing Group : N/A
Hazard Statements : H302-H315-H319-H335
Precautionary Statements : P261-P280-P302+P352

Quality Control

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Other Classifications

Bioactive Molecules Peptides

Life Science Amino Acids and their Derivatives Leucine and derivatives

Chemical Biology Peptide Chemistry Amino Acid Derivatives

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H-Phe-Leu-OH

CAS No. 3303-55-7

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