5-Bromo-7-methyl-1H-indazole

Name: 5-Bromo-7-methyl-1H-indazole
Brand: ChemScene
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CAS No. 156454-43-2
Cat. No. CS-M0324
Purity≥98%
MDL No.MFCD03990484

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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 156454-43-2

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Description

5-Bromo-7-methyl-1H-indazole is a heterocyclic scaffold featuring a bromine substituent at the 5-position and a methyl group at the 7-position, offering distinct electronic and steric properties. This configuration enables selective functionalization in transition metal-catalyzed coupling reactions. The compound exhibits enhanced stability under standard bench conditions and demonstrates favorable solubility in common organic solvents, facilitating integration into synthetic workflows for pharmaceutical intermediates and bioactive molecule development.

Application

5-Bromo-7-methyl-1H-indazole serves as a versatile building block in medicinal chemistry, enabling palladium-catalyzed cross-coupling reactions due to its stable bromo functionality. The methyl group at the 7-position enhances electron density at the indazole core, improving reactivity in C–H functionalization and Suzuki-Miyaura coupling. Its bench-stable solid form facilitates handling and purification, making it ideal for constructing complex heterocyclic scaffolds in API development.

General Information

CAS No. 156454-43-2
Cat. No. CS-M0324
Purity ≥98%
MDL No. MFCD03990484
Storage Store at room temperature
Shipping Room temperature in continental US; may vary elsewhere.
Molecular Formula C₈H₇BrN₂
Molecular Weight 211.06
Synonym(s) None
SMILES BrC1=CC(C)=C(NN=C2)C2=C1

Computational Chemistry Data

TPSA 28.68
LogP 2.63382
H_Acceptors 1
H_Donors 1
Rotatable_Bonds 0

Safety Information

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GHS Pictogram :	GHS No : GHS07
Signal Word : Warning	UN#: N/A
Class : N/A	Packing Group : N/A
Hazard Statements : H302
Precautionary Statements : P264-P270-P330-P501

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Other Classifications

Building Blocks Skeleton Aromatic heterocycle compounds Indazole compounds

Key Words

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5-Bromo-7-methyl-1H-indazole

CAS No. 156454-43-2

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