3-Bromo-4-methyl-1H-indazole

Name: 3-Bromo-4-methyl-1H-indazole
Brand: ChemScene
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CAS No. 1082042-31-6
Cat. No. CS-0376330
Purity≥97%
MDL No.MFCD11845559

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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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Structure of 1082042-31-6

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Description

3-Bromo-4-methyl-1H-indazole is a heterocyclic building block featuring a brominated indazole core with a methyl group at the 4-position. This configuration enables direct functionalization in cross-coupling reactions, offering high reactivity and stability under standard conditions. The molecule’s electron-deficient aromatic system facilitates efficient palladium-catalyzed transformations, making it valuable for synthesizing bioactive compounds and advanced pharmaceutical intermediates.

Application

3-Bromo-4-methyl-1H-indazole serves as a versatile building block in medicinal chemistry, enabling palladium-catalyzed cross-coupling reactions due to its well-established bromine reactivity. The methyl group at the 4-position enhances metabolic stability and provides a handle for further functionalization. Its bench-stable crystalline nature and compatibility with common reaction conditions facilitate straightforward purification and integration into complex heterocyclic scaffolds relevant to kinase inhibitors and other bioactive molecules.

General Information

CAS No. 1082042-31-6
Cat. No. CS-0376330
Purity ≥97%
MDL No. MFCD11845559
Storage 4°C
Shipping Room temperature in continental US; may vary elsewhere.
Molecular Formula C₈H₇BrN₂
Molecular Weight 211.06
Synonym(s) INDAZOLE,3-BROMO-4-METHYL
SMILES CC1=CC=CC2=C1C(Br)=NN2

Computational Chemistry Data

TPSA 28.68
LogP 2.63382
H_Acceptors 1
H_Donors 1
Rotatable_Bonds 0

Safety Information

Download SDS

GHS Pictogram :	GHS No : GHS06
Signal Word : Danger	UN#: 2811
Class : 6.1	Packing Group : Ⅲ
Hazard Statements : H301-H312-H330-H410
Precautionary Statements : P264-P270-P330-P405-P501

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Other Classifications

Building Blocks Skeleton Aromatic heterocycle compounds Indazole compounds

Key Words

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3-Bromo-4-methyl-1H-indazole

CAS No. 1082042-31-6

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