2-Oxoindoline-4-carboxylic acid

Name: 2-Oxoindoline-4-carboxylic acid
Brand: ChemScene
Availability: InStock
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CAS No. 90322-37-5
Cat. No. CS-W005745
Purity≥96%
MDL No.MFCD10000702

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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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2-Oxoindoline-4-carboxylic acid|CS-W005745

Structure of 90322-37-5

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General Information

CAS No. 90322-37-5
Cat. No. CS-W005745
Purity ≥96%
MDL No. MFCD10000702
Storage Store at room temperature
Shipping Room temperature in continental US; may vary elsewhere.
Molecular Formula C₉H₇NO₃
Molecular Weight 177.16
Synonym(s) 2-Oxo-indoline-4-carboxylic acid
SMILES O=C(C1=CC=CC2=C1CC(N2)=O)O

Description

2-Oxoindoline-4-carboxylic acid features a fused indoline core with a ketone at the 2-position and a carboxylic acid at the 4-position, delivering a rigid, electron-deficient scaffold. This structure enables direct integration into bioactive molecules, particularly in kinase inhibitors and medicinal chemistry leads. The compound exhibits bench-stable handling and compatibility with diverse coupling reactions.

Application

2-Oxoindoline-4-carboxylic acid serves as a versatile building block for indoline-based heterocycles, enabling efficient access to medicinally relevant scaffolds. Its carboxylic acid functionality facilitates direct coupling reactions, while the ketone group supports nucleophilic addition and condensation processes. The compound exhibits good bench stability and is compatible with standard functional group manipulations, making it suitable for modular synthesis in medicinal chemistry and process development workflows.

Synthesis

Route1
- 215433-30-0
- ~37%
- In-stock
  
  90322-37-5
References
- Sugen, Inc. Patent: US6350754 B2, 2002 ; Location in patent: Page column 23 ;
Route2
- 215433-30-0
- In-stock
  
  7772-99-8
- ~35%
- In-stock
  
  90322-37-5
References
- Tang, Peng Cho; Miller, Todd A.; Li, Xiaoyuan; Sun, Li; Wei, Chung Chen; Shirazian, Shahrzad; Liang, Congxin; Vojkovsky, Tomas; Nematalla, Asaad S.; Hawley, Michael Patent: US2002/156292 A1, 2002 ;

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-P305+P351+P338-P330-P362+P364-P403+P233-P405-P501

Quality Control

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Computational Chemistry Data

TPSA 66.4
LogP 0.8794
H_Acceptors 2
H_Donors 2
Rotatable_Bonds 1

Other Classifications

Building Blocks Skeleton Aromatic heterocycle compounds Indolin compounds

Key Words

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2-Oxoindoline-4-carboxylic acid

CAS No. 90322-37-5

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