4-Fluoro-3-hydroxy-7-nitro 1H-indazole CAS 501650-69-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 501650-69-7 |
| Molecular Formula | C7H4FN3O3 |
| Molecular Weight | 197.12 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Fluoro-3-hydroxy-7-nitro 1H-indazole (CAS 501650-69-7) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C7H4FN3O3. Molecular weight: 197.12 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C7H4FN3O3 |
| Molecular Weight | 197.12 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1984 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 3 |
Related Fluoro Standards
- 4-Fluoro-5-nitro-1,2-dihydro-3H-indazol-3-one (CAS 1000340-47-5)
- 6-Fluoro-7-nitroisobenzofuran-1(3H)-one (CAS 1048920-34-8)
- 6-Fluoro-4-nitro-1H-pyrrolo[2,3-b]pyridin-2(3H)-one (CAS 1190318-86-5)
- 6-Fluoro-4-nitroisobenzofuran-1(3H)-one (CAS 1207453-90-4)
- 6-Fluoro-4-nitro-1,2-dihydro-3H-indazol-3-one (CAS 885520-19-4)
- 3-Fluoro-2-mercapto-6-(trifluoromethyl)pyridine (CAS 1214333-97-7)
- 3-Fluoro-2-mercapto-5-(trifluoromethyl)pyridine (CAS 1214384-79-8)
- 5-Fluoro-2-mercapto-3-(trifluoromethyl)pyridine (CAS 1214385-35-9)
Recommended Standards
- 4-amino-3,5,6-trifluorobenzene-1,2-dicarbonitrile (CAS 25693-94-1)
- Methyl 5-Fluoroisoxazolo[4,5-b]pyrazine-3-carboxylate (CAS 1374986-06-7)
- 1-(2,2,3,3-Tetrafluoropropyl)-1h-pyrazol-4-amine (CAS 1006486-95-8)
- 2-Amino-6-(methoxymethyl)pyrimidin-4(1H)-one (CAS 494202-82-3)
- 2,3-Dichlorotoluene (CAS 32768-54-0)
- Trans-Benzyl 3-Fluoro-4-Hydroxy-4-Methylpiperidine-1-Carboxylate (CAS 1612176-02-9)
- 4-Methyl-2-(4-(pyrrolidin-1-yl)butyl)piperidine (CAS 805977-08-6)
- 3-Methylimidazo[1,5-a]pyridine-1-carbonitrile (CAS 1018296-09-7)
- 2,2,3,3,9,9,10,10-Octamethyl-4,8-dioxa-3,9-disilaundecan-6-amine (CAS 188538-25-2)
- Semaglutide impurity 86 (CAS CATO-C4X-152686)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com