2-Bromo-5-hydrazinylpyridine

Name: 2-Bromo-5-hydrazinylpyridine
Brand: ChemScene
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CAS No. 1268882-60-5
Cat. No. CS-0199299
Purity≥98%
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+
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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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Structure of 1268882-60-5

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Description

2-Bromo-5-hydrazinylpyridine features a hydrazinyl group flanked by a bromine substituent on a pyridine scaffold, enabling direct functionalization in transition-metal-catalyzed coupling reactions. The electron-deficient pyridine ring enhances reactivity toward nucleophilic attack, while the hydrazine moiety serves as a bifunctional handle for conjugation and cyclization processes under mild conditions.

Application

2-Bromo-5-hydrazinylpyridine serves as a versatile building block in medicinal chemistry, enabling the construction of pyridine-based heterocycles through palladium-catalyzed cross-coupling and hydrazine-mediated cyclization. Its bromo group facilitates Suzuki, Stille, and Negishi reactions, while the hydrazinyl moiety participates in condensation and ring-forming transformations. The compound exhibits bench stability and compatibility with diverse functional groups, making it valuable for rapid scaffold diversification in API development.

General Information

CAS No. 1268882-60-5
Cat. No. CS-0199299
Purity ≥98%
MDL No. None
Storage -20°C, stored under nitrogen
Shipping Room temperature in continental US; may vary elsewhere.
Molecular Formula C₅H₆BrN₃
Molecular Weight 188.03
Synonym(s) (6-BroMo-pyridin-3-yl)-hydrazine
SMILES C1=CC(=NC=C1NN)Br

Computational Chemistry Data

TPSA 50.94
LogP 1.1297
H_Acceptors 3
H_Donors 2
Rotatable_Bonds 1

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

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Other Classifications

Building Blocks Functional Group Bromide

Building Blocks Skeleton Aromatic heterocycle compounds Pyridine compounds

Key Words

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2-Bromo-5-hydrazinylpyridine

CAS No. 1268882-60-5

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