Fmoc-Tyr(3,5-Cl2)-OH

Name: Fmoc-Tyr(3,5-Cl2)-OH
Brand: ChemScene
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CAS No. 1391508-43-2
Cat. No. CS-0527293
Purity≥97%
MDL No.None

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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+

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Structure of 1391508-43-2

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Description

Fmoc-Tyr(3,5-Cl2)-OH features a tyrosine residue bearing dichloro substituents at the meta positions of the phenolic ring, enhancing electron-withdrawing character and metabolic stability. This derivative integrates readily into peptide chains under standard coupling conditions, offering improved solubility and resistance to oxidative degradation during synthesis.

Application

Fmoc-Tyr(3,5-Cl₂)-OH serves as a valuable building block for peptide synthesis, enabling the incorporation of a doubly chlorinated tyrosine residue with enhanced electron-withdrawing character. The ortho-chlorination improves metabolic stability and modulates hydrogen-bonding capacity, while the Fmoc group ensures efficient N-terminal protection and compatibility with standard solid-phase protocols. This derivative exhibits excellent bench stability, facile purification, and broad functional group tolerance in both solution- and solid-phase synthesis.

General Information

CAS No. 1391508-43-2
Cat. No. CS-0527293
Purity ≥97%
MDL No. None
Storage 4°C
Shipping Room temperature in continental US; may vary elsewhere.
Molecular Formula C₂₄H₁₉Cl₂NO₅
Molecular Weight 472.32
Synonym(s) FMOC-PHE(3,5-CL 2, 4-OH)-OH
SMILES ClC(C=C1C[C@@H](C(O)=O)NC(OCC2C3=CC=CC=C3C4=CC=CC=C42)=O)=C(C(Cl)=C1)O

Computational Chemistry Data

TPSA 95.86
LogP 5.2334
H_Acceptors 4
H_Donors 3
Rotatable_Bonds 6

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-P264-P270-P271-P280-P302+P352-P304+P340-P305+P351+P338-P330-P362+P364-P403+P233-P405-P501

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Other Classifications

Building Blocks Skeleton Chiral compounds Chiral Building Blocks

Life Science Amino Acids and their Derivatives Tyrosine and derivatives

Chemical Biology Peptide Chemistry Amine Protection

Chemical Biology Peptide Chemistry Unnatural Amino Acid Derivatives

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Fmoc-Tyr(3,5-Cl2)-OH

CAS No. 1391508-43-2

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