4-Phenyl-1H-pyrazol-3-amine

Name: 4-Phenyl-1H-pyrazol-3-amine
Brand: ChemScene
Availability: InStock
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CAS No. 5591-70-8
Cat. No. CS-0099425
Purity≥98%
MDL No.MFCD00231797

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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+

An item is classified as a dangerous good if our website displays Hazardous Material (HazMat) information for it.

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Structure of 5591-70-8

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Description

4-Phenyl-1H-pyrazol-3-amine integrates a phenyl-substituted pyrazole core with a primary amine at the 3-position, offering a rigid, electron-rich scaffold for medicinal chemistry. This bench-stable heterocycle serves as a key building block in bioactive molecule design, particularly in kinase inhibitors and CNS-targeted compounds.

Application

4-Phenyl-1H-pyrazol-3-amine serves as a versatile scaffold for medicinal chemistry and materials science, enabling efficient construction of bioactive heterocycles. Its phenyl-substituted pyrazole core exhibits robust bench stability and tolerates diverse functional groups, facilitating coupling reactions and cyclization protocols. The primary amine functionality provides a direct handle for derivatization, supporting modular synthesis of kinase inhibitors, antiviral agents, and advanced organic semiconductors.

General Information

CAS No. 5591-70-8
Cat. No. CS-0099425
Purity ≥98%
MDL No. MFCD00231797
Storage 4°C, protect from light
Shipping Room temperature in continental US; may vary elsewhere.
Molecular Formula C₉H₉N₃
Molecular Weight 159.19
Synonym(s) None
SMILES NC1=NNC=C1C2=CC=CC=C2

Computational Chemistry Data

TPSA 54.7
LogP 1.6589
H_Acceptors 2
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-P264-P270-P271-P280-P302+P352-P304+P340-P330-P362+P364-P405-P501

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Other Classifications

Building Blocks Skeleton Aromatic heterocycle compounds Pyrazole compounds

Building Blocks Skeleton Aromatic ring compounds Benzene compounds

Key Words

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4-Phenyl-1H-pyrazol-3-amine

CAS No. 5591-70-8

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