Lot numbers can be found on the outside label of a product:
4-Fluoro-2-nitrobenzaldehyde
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CAS No. 2923-96-8
- Cat. No. CS-W007758
- Purity≥98%
- MDL No.MFCD01666439
*For research and further manufacturing use only, not for direct human use.
Structure of 2923-96-8
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General Information
- CAS No. 2923-96-8
- Cat. No. CS-W007758
- Purity ≥98%
- MDL No. MFCD01666439
- Storage 4°C, stored under nitrogen
- Shipping Room temperature in continental US; may vary elsewhere.
- Molecular Formula C₇H₄FNO₃
- Molecular Weight 169.11
- Synonym(s) 4-FLUORO-2-NITRO-BENZALDEHYDE
- SMILES FC1=CC([N+]([O-])=O)=C(C=O)C=C1
Description
4-Fluoro-2-nitrobenzaldehyde features a strategically positioned aldehyde group flanked by electron-withdrawing nitro and fluorine substituents, enhancing electrophilicity for nucleophilic addition reactions. This bench-stable compound integrates readily into synthetic routes requiring activated aromatic carbonyls, particularly in the construction of heterocycles and functionalized pharmaceutical intermediates under standard conditions.
Application
4-Fluoro-2-nitrobenzaldehyde serves as a versatile building block in medicinal chemistry and heterocyclic synthesis, enabling efficient access to substituted benzimidazoles, quinolines, and other nitrogen-containing scaffolds. The ortho-nitro and para-fluoro groups provide complementary reactivity for sequential functionalization, while the aldehyde moiety facilitates condensation reactions under mild conditions. Bench-stable and readily purified by recrystallization, it functions effectively in multi-step syntheses requiring high functional group tolerance and predictable regiochemistry.
Synthesis
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References
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PROSIDION LIMITED Patent: WO2006/59164 A2, 2006 ; Location in patent: Page/Page column 29 ;
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Route2
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96631-90-2 - ~%
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In-stock
2923-96-8
References
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ELI LILLY AND COMPANY LIMITED Patent: EP897921 A1, 1999 ;
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Route3
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459-57-4 - ~%
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In-stock
2923-96-8
References
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Meng, Ge; Zheng, Mei-Lin; Zheng, A-Qun; Wang, Mei; Shi, Juan Chinese Chemical Letters, 2014 , vol. 25, # 1 p. 87 - 89
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Safety Information
Download SDS|
GHS Pictogram :
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GHS No : GHS07
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Signal Word : Warning
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UN#: N/A
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Class : N/A
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Packing Group : N/A
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Hazard Statements : H302-H315-H319-H335
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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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Quality Control
Computational Chemistry Data
- TPSA 60.21
- LogP 1.5464
- H_Acceptors 3
- H_Donors 0
- Rotatable_Bonds 2
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Key Words
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