3-Methyl-1H-indazole
- CAS NO.:3176-62-3
- Empirical Formula: C8H8N2
- Molecular Weight: 132.16
- MDL number: MFCD00601361
- EINECS: 1533716-785-6
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-09-12 18:48:06
What is 3-Methyl-1H-indazole?
Description
3-Methyl-1H-indazole is a heterocyclic alkyl compound containing nitrogen and three methyl groups. It is used as an intermediate in the synthesis of other compounds. It has been shown to have anti-inflammatory properties in vitro. It also inhibits neutrophil chemotaxis and may be used to treat inflammatory diseases such as trigeminal neuralgia or heart disease. 3-Methyl-1H-indazole has also been shown to inhibit histamine H3 receptor activity, which may account for its effects on eye diseases and bladder cancer.
The Uses of 3-Methyl-1H-indazole
3-Methyl-1H-indazole is an intermediate compound. It can be used as an organic synthesis reagent for the preparation of 3-methyl-1H-indazol-5-amine and 3-methyl-5-nitro-1H-indazole compounds. In addition, the 3-Methyl-1H-indazole derivatives (1a-1d and 2a-2d) have antimicrobial effects, both having antibacterial activity against Bacillus subtilis and Escherichia coli[1].
Synthesis Reference(s)
Journal of Heterocyclic Chemistry, 25, p. 1817, 1988 DOI: 10.1002/jhet.5570250641
Synthesis, p. 982, 1984
References
[1] FARRUKH SHAIKH. Synthesis and evaluation of antibacterial activity of novel 3-methyl-1H-indazole derivatives[J]. Intelligent Pharmacy, 2024. DOI:10.1016/j.ipha.2023.09.003.
Properties of 3-Methyl-1H-indazole
| Melting point: | 113°C |
| Boiling point: | 234.08°C (rough estimate) |
| Density | 1.1083 (rough estimate) |
| refractive index | 1.6013 (estimate) |
| storage temp. | Sealed in dry,Room Temperature |
| pka | 14.39±0.40(Predicted) |
Safety information for 3-Methyl-1H-indazole
| Signal word | Warning |
| Pictogram(s) |
![]() Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H302:Acute toxicity,oral H315:Skin corrosion/irritation H317:Sensitisation, Skin H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
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. |
Computed Descriptors for 3-Methyl-1H-indazole
New Products
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