4-Bromo-3-methylisoxazol-5-amine

Name: 4-Bromo-3-methylisoxazol-5-amine
Brand: ChemScene
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CAS No. 33084-49-0
Cat. No. CS-0437401
Purity≥98%
MDL No.MFCD09038913

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Type	HazMat Fee
Excepted Quantity	$0.00
FedEx Limited Quantities Ground	$0.00
Hazmat Ground shipping	$50.00+
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Accessible (Haz class 3, 4, 5 or 8), Domestic	$158.00+
Inaccessible (Haz class 6.1 or 9), International	$108.00+
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4-Bromo-3-methylisoxazol-5-amine|CS-0437401

Structure of 33084-49-0

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Description

4-Bromo-3-methylisoxazol-5-amine features a brominated isoxazole core with a methyl substituent and a primary amine at the 5-position, offering a versatile scaffold for medicinal chemistry. The electron-deficient heterocycle enables efficient coupling reactions, while the amine group facilitates derivatization under standard conditions. This bench-stable compound serves as a key building block in targeted synthesis workflows.

Application

4-Bromo-3-methylisoxazol-5-amine serves as a versatile building block for the synthesis of bioactive heterocycles, particularly in medicinal chemistry and agrochemical research. Its bromine substituent enables efficient palladium-catalyzed cross-coupling reactions, while the pendant amine facilitates derivatization via acylation or reductive alkylation. The molecule exhibits good bench stability and is compatible with common protecting group strategies, making it well-suited for modular scaffold construction.

General Information

CAS No. 33084-49-0
Cat. No. CS-0437401
Purity ≥98%
MDL No. MFCD09038913
Storage 4°C, protect from light
Shipping Room temperature in continental US; may vary elsewhere.
Molecular Formula C₄H₅BrN₂O
Molecular Weight 177.00
Synonym(s) 5-AMINO-4-BROMO-3-METHYLISOXAZOLE
SMILES NC1=C(Br)C(C)=NO1

Computational Chemistry Data

TPSA 52.05
LogP 1.32772
H_Acceptors 3
H_Donors 1
Rotatable_Bonds 0

Safety Information

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GHS Pictogram : N/A	GHS No : N/A
Signal Word : N/A	UN#: N/A
Class : N/A	Packing Group : N/A
Hazard Statements : N/A
Precautionary Statements : N/A

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Other Classifications

Building Blocks Functional Group Bromide

Building Blocks Skeleton Aromatic heterocycle compounds Isoxazole compounds

Key Words

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4-Bromo-3-methylisoxazol-5-amine

CAS No. 33084-49-0

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