2-Methyl-2H-indazole-4-sulfonyl chloride

Name: 2-Methyl-2H-indazole-4-sulfonyl chloride
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CAS No. 1363381-73-0
Cat. No. CS-0057274
Purity≥97%
MDL No.MFCD21642050

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2-Methyl-2H-indazole-4-sulfonyl chloride|CS-0057274

Structure of 1363381-73-0

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General Information

CAS No. 1363381-73-0
Cat. No. CS-0057274
Purity ≥97%
MDL No. MFCD21642050
Storage 4°C
Shipping Room temperature in continental US; may vary elsewhere.
Molecular Formula C₈H₇ClN₂O₂S
Molecular Weight 230.67
Synonym(s) STAR PRODUCT
SMILES O=S(C1=CC=CC2=NN(C)C=C12)(Cl)=O

Description

2-Methyl-2H-indazole-4-sulfonyl chloride features a reactive sulfonyl chloride group appended to a nitrogen-rich indazole scaffold, enabling direct coupling in heterocyclic synthesis. The methyl substitution enhances regioselectivity and stabilizes the core under standard conditions. This reagent facilitates efficient installation of sulfonyl moieties in medicinal chemistry applications.

Application

2-Methyl-2H-indazole-4-sulfonyl chloride serves as a versatile building block for the synthesis of functionalized indazole derivatives, enabling efficient introduction of sulfonyl groups at the 4-position. Its reactivity facilitates nucleophilic substitution with amines and alcohols under mild conditions, offering high yields and excellent functional group tolerance. The molecule's bench-stable nature and compatibility with standard purification protocols make it well-suited for use in medicinal chemistry campaigns and API intermediate development.

Safety Information

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GHS Pictogram :	GHS No : GHS05
Signal Word : Danger	UN#: 3261
Class : 8	Packing Group : Ⅱ
Hazard Statements : H290-H314
Precautionary Statements : P234-P260-P264-P280-P301+P330+P331-P304+P340-P363-P390-P405-P406-P501

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Computational Chemistry Data

TPSA 51.96
LogP 1.5008
H_Acceptors 4
H_Donors 0
Rotatable_Bonds 1

Other Classifications

Building Blocks Skeleton Aromatic heterocycle compounds Indazole compounds

Key Words

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2-Methyl-2H-indazole-4-sulfonyl chloride

CAS No. 1363381-73-0

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