2,3-dimethyl-6-nitro-2H-indazole
- CAS NO.：444731-73-1
- Empirical Formula: C9H9N3O2
- Molecular Weight: 191.19
- MDL number: MFCD10703326
- EINECS: 610-189-7
- SAFETY DATA SHEET (SDS)
- Update Date: 2025-10-14 17:29:00
What is 2,3-dimethyl-6-nitro-2H-indazole ?
The Uses of 2,3-dimethyl-6-nitro-2H-indazole
2,3-Dimethyl-6-nitro-2H-indazole is an impurity in the synthesis of Pazopanib (P210925) hydrochloride, an oral angiogenesis inhibitor targeting VEGFR and PDGFR.
structure and hydrogen bonding
In the mol-ecule of 2,3-dimethyl-6-nitro-2H-indazole, C9H9N3O2, the indazole ring system is almost planar [maximum deviation = 0.019 (3) Å for the C atom bearing the nitro group]. In the crystal structure, inter-molecular C—H...O inter-actions link the mol-ecules into centrosymmetric dimers, forming R 2 2(18) ring motifs. Aromatic π–π contacts between indazole rings [centroid–centroid distances = 3.632 (1) and 3.705 (1)?] may further stabilize the structure[1].
References
[1] Yan Chen, Ping Wei, Zheng Fang. “2,3-Dimethyl-6-nitro-2H-indazole.” Acta crystallographica. Section E, Structure reports online 65 Pt 8 (2009): o1775.
Properties of 2,3-dimethyl-6-nitro-2H-indazole
| Melting point: | 183-186°C |
| Boiling point: | 377.0±22.0 °C(Predicted) |
| Density | 1.36±0.1 g/cm3(Predicted) |
| storage temp. | Sealed in dry,Room Temperature |
| solubility | DMSO (Slightly), Methanol (Slightly) |
| form | Solid |
| pka | -0.55±0.30(Predicted) |
| color | Yellow |
Safety information for 2,3-dimethyl-6-nitro-2H-indazole
Computed Descriptors for 2,3-dimethyl-6-nitro-2H-indazole
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product: 2,3-dimethyl-6-nitro-2H-indazole 444731-73-1 ABOVE 99%
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