3-Bromo-5-(trifluoromethyl)-1H-pyrazole

Name: 3-Bromo-5-(trifluoromethyl)-1H-pyrazole
Brand: ChemScene
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CAS No. 93608-11-8
Cat. No. CS-0042419
Purity≥97%
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+
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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3-Bromo-5-(trifluoromethyl)-1H-pyrazole|CS-0042419

Structure of 93608-11-8

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Description

3-Bromo-5-(trifluoromethyl)-1H-pyrazole features a bromine atom at the 3-position and a trifluoromethyl group at the 5-position, conferring high electron deficiency and enhanced metabolic stability. This scaffold integrates readily into medicinal chemistry libraries, serving as a key building block for bioactive heterocycles in agrochemical and pharmaceutical development.

Application

3-Bromo-5-(trifluoromethyl)-1H-pyrazole serves as a versatile building block in medicinal chemistry and agrochemical synthesis, enabling palladium-catalyzed cross-coupling reactions due to its stable bromo functionality. The trifluoromethyl group imparts enhanced metabolic stability and lipophilicity, while the pyrazole core provides a rigid, hydrogen-bond-capable scaffold. Its bench-stable nature and compatibility with diverse reaction conditions facilitate efficient incorporation into complex molecular architectures.

General Information

CAS No. 93608-11-8
Cat. No. CS-0042419
Purity ≥97%
MDL No. None
Storage 4°C, protect from light, stored under nitrogen
Shipping Room temperature in continental US; may vary elsewhere.
Molecular Formula C₄H₂BrF₃N₂
Molecular Weight 214.97
Synonym(s) 5-BroMo-3-(trifluoroMethyl)-1H-pyrazole
SMILES FC(C1=CC(Br)=NN1)(F)F

Computational Chemistry Data

TPSA 28.68
LogP 2.191
H_Acceptors 1
H_Donors 1
Rotatable_Bonds 0

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-P305+P351+P338-P330-P362+P364-P403+P233-P405-P501

Quality Control

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Other Classifications

Building Blocks Functional Group Bromide

Building Blocks Skeleton Aromatic heterocycle compounds Pyrazole compounds

Key Words

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3-Bromo-5-(trifluoromethyl)-1H-pyrazole

CAS No. 93608-11-8

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