2-(1H-Indol-5-yl)acetic acid

Name: 2-(1H-Indol-5-yl)acetic acid
Brand: ChemScene
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CAS No. 34298-84-5
Cat. No. CS-0055752
Purity≥97%
MDL No.MFCD09837609

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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+

An item is classified as a dangerous good if our website displays Hazardous Material (HazMat) information for it.

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Structure of 34298-84-5

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Description

This indole derivative features a carboxylic acid group at the 2-position, enabling direct conjugation or derivatization. The indolyl moiety imparts strong π-electron density and planar rigidity, enhancing binding affinity in bioactive molecule design. Stable under standard bench conditions, it serves as a key scaffold for pharmaceutical intermediates and chemical biology probes.

Application

2-(1H-Indol-5-yl)acetic acid serves as a versatile building block for the synthesis of indole-containing bioactive molecules, enabling efficient conjugation via amide and ester linkages. Its carboxylic acid functionality offers high reactivity in standard coupling protocols, while the indole moiety provides a stable, aromatic scaffold compatible with diverse functional group transformations. Bench-stable and readily purified by recrystallization, it functions reliably in medicinal chemistry campaigns targeting CNS-active compounds and peptide conjugates.

General Information

CAS No. 34298-84-5
Cat. No. CS-0055752
Purity ≥97%
MDL No. MFCD09837609
Storage Store at room temperature
Shipping Room temperature in continental US; may vary elsewhere.
Molecular Formula C₁₀H₉NO₂
Molecular Weight None
Synonym(s) 1H-indol-5-ylacetic acid
SMILES C1=CC2=C(C=CN2)C=C1CC(=O)O

Computational Chemistry Data

TPSA 53.09
LogP 1.795
H_Acceptors 1
H_Donors 2
Rotatable_Bonds 2

Safety Information

Download SDS

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-P330-P362+P364-P405-P501

Quality Control

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Other Classifications

Building Blocks Skeleton Aromatic heterocycle compounds Indole compounds

Key Words

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2-(1H-Indol-5-yl)acetic acid

CAS No. 34298-84-5

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