4-Bromo-1,3-dimethyl-1H-pyrazole

Name: 4-Bromo-1,3-dimethyl-1H-pyrazole
Brand: ChemScene
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CAS No. 5775-82-6
Cat. No. CS-0036020
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+
Accessible (Haz class 3, 4, 5 or 8), International	$238.00+

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4-Bromo-1,3-dimethyl-1H-pyrazole|CS-0036020

Structure of 5775-82-6

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Description

4-Bromo-1,3-dimethyl-1H-pyrazole is a bench-stable heterocyclic building block featuring a bromine substituent at the 4-position and methyl groups at the 1- and 3-positions. This configuration imparts enhanced solubility and reactivity in cross-coupling transformations, enabling efficient incorporation into complex molecular architectures.

Application

4-Bromo-1,3-dimethyl-1H-pyrazole serves as a versatile building block in medicinal chemistry and heterocyclic synthesis. The bromine substituent enables palladium-catalyzed cross-coupling reactions, while the 1,3-dimethyl substitution enhances solubility and metabolic stability. Its bench-stable nature and compatibility with standard reaction conditions facilitate efficient incorporation into complex molecular architectures.

General Information

CAS No. 5775-82-6
Cat. No. CS-0036020
Purity ≥98%
MDL No. None
Storage Store at room temperature
Shipping Room temperature in continental US; may vary elsewhere.
Molecular Formula C₅H₇BrN₂
Molecular Weight 175.03
Synonym(s) 4-bromo-1,3-dimethylpyrazole
SMILES CC1=NN(C)C=C1Br

Computational Chemistry Data

TPSA 17.82
LogP 1.49102
H_Acceptors 2
H_Donors 0
Rotatable_Bonds 0

Safety Information

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GHS Pictogram :	GHS No : GHS05
Signal Word : Danger	UN#: 3265
Class : 8	Packing Group : Ⅲ
Hazard Statements : H315-H318-H335
Precautionary Statements : P261-P264-P271-P280-P302+P352-P304+P340-P362

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Other Classifications

Building Blocks Skeleton Aromatic heterocycle compounds Pyrazole compounds

Key Words

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4-Bromo-1,3-dimethyl-1H-pyrazole

CAS No. 5775-82-6

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