Description
7-Nitroindazole (CAS No. 2942-42-9) is a high-purity nitro-substituted indazole derivative with the molecular formula C7H5N3O2. This heterocyclic aromatic compound is widely utilized in pharmaceutical research, neuroscience, and organic synthesis due to its role as a selective neuronal nitric oxide synthase (nNOS) inhibitor. Our product is rigorously tested to ensure ≥98% purity (HPLC), with detailed analytical reports (COA) available upon request. Supplied as a fine yellow crystalline powder, it is packaged under inert conditions to guarantee stability and longevity. Ideal for researchers studying neurodegenerative diseases, oxidative stress pathways, and enzyme inhibition mechanisms. Store in a cool, dry place at 2-8°C, protected from light and moisture.
Properties
- CAS Number: 2942-42-9
- Complexity: 192
- IUPAC Name: 7-nitro-1H-indazole
- InChI: InChI=1S/C7H5N3O2/c11-10(12)6-3-1-2-5-4-8-9-7(5)6/h1-4H,(H,8,9)
- InChI Key: PQCAUHUKTBHUSA-UHFFFAOYSA-N
- Exact Mass: 163.038176411
- Molecular Formula: C7H5N3O2
- Molecular Weight: 163.13
- SMILES: C1=CC2=C(C(=C1)[N+](=O)[O-])NN=C2
- Topological: 74.5
- Monoisotopic Mass: 163.038176411
- Solubility: >24.5 [ug/mL]
- Synonyms: 7-nitroindazole, 7-Nitro-1H-indazole, 2942-42-9, 1H-Indazole, 7-nitro-, 7-nitro-indazole, CCRIS 3309, UX0N37CMVH, EINECS 220-934-4, NSC 72843, BRN 0006809, 7-Nitro-2H-indazole, NSC-72843, NITROINDAZOLE, 7-, DTXSID30183638, DTXCID70106129, 220-934-4, 7-NI, MFCD00022789, MLS000028452, CHEMBL247378, SMR000058266, 7NI, SR-01000075512, UNII-UX0N37CMVH, 7-Nitroisoindazole, Tocris-0602, Opera_ID_1690, Spectrum2_001715, Spectrum3_001980, Lopac-N-7778, 7-Nitroindazole (7-NI), 7-Nitroindazole, >=98%, NCIOpen2_000477, Lopac0_000839, BSPBio_003580, 1H-?Indazole, 7-?nitro-, 909091-71-0, MLS001074098, MLS001424158, SCHEMBL216995, SPECTRUM1505342, SPBio_001730, GTPL5127, SCHEMBL13039512, CHEBI:40287, KBio3_002963, PQCAUHUKTBHUSA-UHFFFAOYSA-, HMS2052E13, HMS2235A13, HMS3262H19, HMS3266B05, HMS3370D01, HMS3394E13, HMS3411I16, HMS3675I16, HMS3886O10, BCP27530, CS-D0829, NSC72843, Tox21_500839, BDBM50209245, CCG-39508, HSCI1_000055, s5542, SBB002552, STK776289, AKOS001740210, AC-3118, CCG-101113, DB02207, LP00839, NC00363, PB17062, SDCCGSBI-0050816.P002, NCGC00015750-01, NCGC00015750-02, NCGC00015750-03, NCGC00015750-04, NCGC00015750-05, NCGC00015750-06, NCGC00015750-07, NCGC00015750-08, NCGC00015750-09, NCGC00015750-10, NCGC00015750-15, NCGC00021621-02, NCGC00021621-04, NCGC00021621-05, NCGC00021621-06, NCGC00021621-07, NCGC00261524-01, HY-69019, PD000923, SY003892, DB-012306, DB-400223, ST4105085, EU-0100839, N0827, NS00028691, EN300-71900, 8P-906, M02148, N 7778, A819914, A03-0007, Q4642875, SR-01000075512-1, SR-01000075512-3, BRD-K04430056-001-02-9, BRD-K04430056-001-17-7, BRD-K04430056-236-01-3, BRD-K04430056-236-02-1, Z381673562, InChI=1/C7H5N3O2/c11-10(12)6-3-1-2-5-4-8-9-7(5)6/h1-4H,(H,8,9)
Application
7-Nitroindazole is extensively used in neuroscience research as a selective inhibitor of neuronal nitric oxide synthase (nNOS), aiding in the study of neurodegenerative disorders such as Parkinson’s disease. It serves as a key intermediate in the synthesis of pharmacologically active indazole derivatives. Additionally, this compound is employed in biochemical assays to investigate the role of nitric oxide in cellular signaling pathways.
Safety and Hazards
GHS Hazard Statements
- H301 (86.7%): Toxic if swallowed [Danger Acute toxicity, oral]
- H315 (11.1%): Causes skin irritation [Warning Skin corrosion/irritation]
- H319 (97.8%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
- H341 (11.1%): Suspected of causing genetic defects [Warning Germ cell mutagenicity]
- H351 (86.7%): Suspected of causing cancer [Warning Carcinogenicity]
- H360 (86.7%): May damage fertility or the unborn child [Danger Reproductive toxicity]
Precautionary Statements
- P203, P264, P264+P265, P270, P280, P301+P316, P302+P352, P305+P351+P338, P318, P321, P330, P332+P317, P337+P317, P362+P364, P405, and P501
Hazard Classes and Categories
- Acute Tox. 3 (86.7%)
- Skin Irrit. 2 (11.1%)
- Eye Irrit. 2A (97.8%)
- Muta. 2 (11.1%)
- Carc. 2 (86.7%)
- Repr. 1B (86.7%)
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Disclaimer: Sold exclusively for laboratory research. Prohibited for commercial use, diagnostics, or human/animal applications. Buyers assume all compliance liability.


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