CAS 21997-23-9: 5-Nitro-2(3H)-benzofuranone
Description:5-Nitro-2(3H)-benzofuranone, identified by its CAS number 21997-23-9, is an organic compound characterized by a benzofuranone structure with a nitro group at the 5-position. This compound typically exhibits a yellow to orange color and is known for its aromatic properties, which contribute to its stability and reactivity. It is soluble in organic solvents, making it useful in various chemical applications, including organic synthesis and as an intermediate in the production of pharmaceuticals and agrochemicals. The presence of the nitro group enhances its electrophilic character, allowing it to participate in various chemical reactions, such as nucleophilic substitutions and reductions. Additionally, 5-Nitro-2(3H)-benzofuranone may exhibit biological activity, which can be of interest in medicinal chemistry. As with many nitro compounds, it is important to handle it with care due to potential toxicity and environmental concerns. Proper safety measures should be taken when working with this substance in laboratory settings.
Formula:C8H5NO4
InChI:InChI=1S/C8H5NO4/c10-8-4-5-3-6(9(11)12)1-2-7(5)13-8/h1-3H,4H2
InChI key:InChIKey=OFONKIRKKMJQLZ-UHFFFAOYSA-N
SMILES:O=C1OC2=CC=C(C=C2C1)N(=O)=O
- Synonyms:
- 2(3H)-benzofuranone, 5-nitro-
- 5-Nitro-2(3H)-benzofuranone
- 5-Nitro-2-hydroxyphenylacetic acid γ-lactone
- 5-Nitro-3H-benzofuran-2-one
- 5-Nitrobenzofuran-2-one
- 5-Nitrocoumaran-2-one
| Brand | Product data | Purity | Price range | Estimated delivery |
|---|---|---|---|---|
 | 5-Nitro-3H-benzofuran-2-one REF: 10-F317449CAS: 21997-23-9 | 95.0% | 67.00 € | Fri 04 Apr 25 |
 | 5-Nitro-1-benzofuran-2(3H)-one REF: IN-DA00BI6RCAS: 21997-23-9 | 97% | 83.00 €~188.00 € | Fri 11 Apr 25 |
 | 5-Nitro-3H-benzofuran-2-one REF: 54-OR346267CAS: 21997-23-9 | 97% | 406.00 €~1,246.00 € | Mon 14 Apr 25 |
 | 5-Nitro-3H-benzofuran-2-one REF: 3D-WAA99723CAS: 21997-23-9 | Min. 95% | - - - | Discontinued product |
Ref: 10-F317449
| 1g | 67.00 € |
5-Nitro-1-benzofuran-2(3H)-one
Ref: IN-DA00BI6R
| 100mg | 179.00 € | ||
| 250mg | 188.00 € |
5-Nitro-3H-benzofuran-2-one
Ref: 3D-WAA99723
| 1g | Discontinued | Request information | |
| 5g | Discontinued | Request information | |
| 10g | Discontinued | Request information | |
| 250mg | Discontinued | Request information | |
| 500mg | Discontinued | Request information | |
| 2500mg | Discontinued | Request information |
