4-Chloro-1-methyl-1H-indazole

Name: 4-Chloro-1-methyl-1H-indazole
Brand: ChemScene
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CAS No. 162502-53-6
Cat. No. CS-0151126
Purity≥98%
MDL No.MFCD09998749

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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+
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4-Chloro-1-methyl-1H-indazole|CS-0151126

Structure of 162502-53-6

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General Information

CAS No. 162502-53-6
Cat. No. CS-0151126
Purity ≥98%
MDL No. MFCD09998749
Storage 4°C
Shipping Room temperature in continental US; may vary elsewhere.
Molecular Formula C₈H₇ClN₂
Molecular Weight 166.61
Synonym(s) None
SMILES CN1C2=CC=CC(=C2C=N1)Cl

Description

4-Chloro-1-methyl-1H-indazole is a heterocyclic compound featuring a chlorine substituent at the 4-position and a methyl group at the 1-position of the indazole core. This electron-deficient scaffold integrates readily into bioactive molecule design, offering enhanced metabolic stability and favorable binding interactions in medicinal chemistry applications.

Application

4-Chloro-1-methyl-1H-indazole serves as a versatile heterocyclic building block in medicinal chemistry, enabling efficient late-stage functionalization via palladium-catalyzed cross-coupling reactions. Its chloro group facilitates Suzuki, Stille, and Negishi couplings, while the methyl-substituted indazole core provides metabolic stability and favorable pharmacokinetic properties. Bench-stable and readily purified by crystallization, it functions as a key scaffold in the synthesis of kinase inhibitors and other bioactive molecules.

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-H315-H319-H335
Precautionary Statements : P261-P264-P270-P271-P280-P302+P352-P304+P340-P305+P351+P338-P330-P362+P364-P403+P233-P405-P501

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Computational Chemistry Data

TPSA 17.82
LogP 2.2267
H_Acceptors 2
H_Donors 0
Rotatable_Bonds 0

Other Classifications

Building Blocks Skeleton Aromatic heterocycle compounds Indazole compounds

Key Words

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4-Chloro-1-methyl-1H-indazole

CAS No. 162502-53-6

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