6-Bromo-5-chloro-1H-indazole

Name: 6-Bromo-5-chloro-1H-indazole
Brand: ChemScene
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CAS No. 1305208-02-9
Cat. No. CS-W007238
Purity≥95%
MDL No.MFCD22689251

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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 1305208-02-9

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General Information

CAS No. 1305208-02-9
Cat. No. CS-W007238
Purity ≥95%
MDL No. MFCD22689251
Storage Store at room temperature
Shipping Room temperature in continental US; may vary elsewhere.
Molecular Formula C₇H₄BrClN₂
Molecular Weight 231.48
Synonym(s) None
SMILES ClC1=C(Br)C=C(NN=C2)C2=C1

Description

6-Bromo-5-chloro-1H-indazole is a halogenated indazole scaffold featuring bromine at the 6-position and chlorine at the 5-position, enabling selective functionalization in cross-coupling reactions. This electron-deficient heterocycle integrates readily into bioactive molecule design, offering enhanced metabolic stability and tunable polarity for medicinal chemistry applications.

Application

6-Bromo-5-chloro-1H-indazole serves as a versatile building block for the synthesis of biologically active heterocycles, enabling palladium-catalyzed cross-coupling reactions due to its dual halogen functionality. The molecule exhibits excellent bench stability and facilitates selective functionalization under standard conditions, making it well-suited for medicinal chemistry applications and API intermediate development.

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 28.68
LogP 2.9788
H_Acceptors 1
H_Donors 1
Rotatable_Bonds 0

Other Classifications

Building Blocks Functional Group Bromide

Building Blocks Skeleton Aromatic heterocycle compounds Indazole compounds

Key Words

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6-Bromo-5-chloro-1H-indazole

CAS No. 1305208-02-9

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