5-Nitroindazole
- CAS NO.：5401-94-5
- Empirical Formula: C7H5N3O2
- Molecular Weight: 163.13
- MDL number: MFCD00005693
- EINECS: 226-451-5
- SAFETY DATA SHEET (SDS)
- Update Date: 2025-07-24 18:13:54
What is 5-Nitroindazole?
Chemical properties
light yellow crystal
The Uses of 5-Nitroindazole
5-Nitroindazole inhibits citrulline formation by Ca2+-calmodulin (CaM)-dependent nitric oxide synthase from bovine brain. Nitration of 5-nitroindazole with nitric acid and acetic anhydride yields 3,5-dintroindazole and 2,5-dinitroindazole.
Synthesis Reference(s)
Journal of Heterocyclic Chemistry, 21, p. 1063, 1984 DOI: 10.1002/jhet.5570210428
Organic Syntheses, Coll. Vol. 3, p. 660, 1955
Properties of 5-Nitroindazole
| Melting point: | 207 °C |
| Boiling point: | 383.3±15.0 °C(Predicted) |
| Density | 1.525±0.06 g/cm3(Predicted) |
| storage temp. | Sealed in dry,Room Temperature |
| form | powder to crystal |
| pka | 11.71±0.40(Predicted) |
| color | White to Light red to Green |
| BRN | 7936 |
| CAS DataBase Reference | 5401-94-5(CAS DataBase Reference) |
| EPA Substance Registry System | 5-Nitroindazole (5401-94-5) |
Safety information for 5-Nitroindazole
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07  Health Hazard GHS08 |
| GHS Hazard Statements |
H302:Acute toxicity,oral H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation H341:Germ cell mutagenicity |
| Precautionary Statement Codes |
P201:Obtain special instructions before use. P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P280:Wear protective gloves/protective clothing/eye protection/face protection. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P405:Store locked up. |
Computed Descriptors for 5-Nitroindazole
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