2-Amino-3-fluoropyridine

Name: 2-Amino-3-fluoropyridine
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CAS No. 21717-95-3
Cat. No. CS-W019868
Molecule weight112.11
Purity≥97%
MDL No.MFCD04114135

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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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General Information

CAS No. 21717-95-3
Cat. No. CS-W019868
Purity ≥97%
MDL No. MFCD04114135
Storage 4°C, protect from light
Shipping Room temperature in continental US; may vary elsewhere.
Molecular Formula C₅H₅FN₂
Molecular Weight 112.11
Synonym(s) 2-Amino-3-fluor-pyridin
SMILES FC1=CC=CN=C1N

Description

2-Amino-3-fluoropyridine is a fluorinated heterocyclic building block featuring a strategically positioned amino group and a fluorine substituent on the pyridine ring. This combination imparts enhanced electron density at the nitrogen site while introducing a strong dipole moment, enabling efficient coupling in transition metal-catalyzed reactions. The compound exhibits excellent bench stability and solubility in common organic solvents, facilitating straightforward handling in synthetic workflows.

Application

2-Amino-3-fluoropyridine serves as a versatile building block in medicinal chemistry, enabling direct functionalization at the C3 position via palladium-catalyzed cross-coupling reactions. Its ortho-amino and fluorine substituents provide complementary reactivity for late-stage diversification, while offering enhanced metabolic stability and favorable physicochemical properties. The compound exhibits excellent bench stability and compatibility with common protecting group strategies, facilitating efficient synthesis of pyridine-based pharmacophores and API intermediates.

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-H319
Precautionary Statements : P264-P270-P280-P330-P501

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Computational Chemistry Data

TPSA 38.91
LogP 0.8029
H_Acceptors 2
H_Donors 1
Rotatable_Bonds 0

Other Classifications

Building Blocks Functional Group Fluoride

Building Blocks Skeleton Aromatic heterocycle compounds Pyridine compounds

Key Words

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2-Amino-3-fluoropyridine

CAS No. 21717-95-3

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