3,5-Dibromotyrosine

Name: 3,5-Dibromotyrosine
Brand: ChemScene
Availability: InStock
Rating: 5 (1 reviews)

CAS No. 300-38-9
Cat. No. CS-0157743
Purity≥97%
MDL No.MFCD00037204

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HazMat Fee

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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 300-38-9

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Description

3,5-Dibromotyrosine features two bromine atoms at the 3- and 5-positions of the aromatic ring, conferring enhanced electron deficiency and stability. This configuration enables selective incorporation into peptide sequences for radiolabeling studies or bioactive compound synthesis. The molecule exhibits robust bench stability and facilitates site-specific conjugation in synthetic biology workflows.

Application

3,5-Dibromotyrosine serves as a brominated aromatic building block for the synthesis of bioactive peptides and heterocyclic scaffolds. Its dual bromine substituents at the meta positions enhance electrophilic reactivity in Pd-catalyzed cross-coupling reactions, enabling efficient diversification of peptide backbones. The compound exhibits excellent bench stability and facilitates straightforward purification, making it well-suited for iterative synthetic workflows in medicinal chemistry and API development.

General Information

CAS No. 300-38-9
Cat. No. CS-0157743
Purity ≥97%
MDL No. MFCD00037204
Storage 4°C, stored under nitrogen
Shipping Room temperature in continental US; may vary elsewhere.
Molecular Formula C₉H₉Br₂NO₃
Molecular Weight 338.98
Synonym(s) None
SMILES C1=C(C=C(C(=C1Br)O)Br)C[C@@H](C(=O)O)N

Computational Chemistry Data

TPSA 83.55
LogP 1.8716
H_Acceptors 3
H_Donors 3
Rotatable_Bonds 3

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-H332-H335
Precautionary Statements : P261-P264-P270-P271-P280-P302+P352-P304+P340-P330-P362+P364-P405-P501

Quality Control

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Other Classifications

Building Blocks Functional Group Phenol

Building Blocks Functional Group Bromide

Building Blocks Skeleton Aromatic ring compounds Benzene compounds

Building Blocks Skeleton Chiral compounds Chiral Building Blocks

Life Science Amino Acids and their Derivatives Tyrosine and derivatives

Chemical Biology Peptide Chemistry Unnatural Amino Acid Derivatives

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3,5-Dibromotyrosine

CAS No. 300-38-9

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