5-Chloro-7-fluoro-1H-indazol-3(2H)-one CAS 1227271-00-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1227271-00-2 |
| Molecular Formula | C7H4ClFN2O |
| Molecular Weight | 186.57 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-Chloro-7-fluoro-1H-indazol-3(2H)-one (CAS 1227271-00-2) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C7H4ClFN2O. Molecular weight: 186.57 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C7H4ClFN2O |
| Molecular Weight | 186.57 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 2 |
Related Chloro Standards
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- 5-Chloro-6-fluoro-2,3-dihydro-1h-1,3-benzodiazol-2-one (CAS 1075753-25-1)
- 4-Chloro-6-fluoro-1H-pyrrolo[2,3-b]pyridin-2(3H)-one (CAS 1190316-86-9)
- 5-Chloro-4-fluoro-1H-pyrrolo[2,3-b]pyridin-2(3H)-one (CAS 1190318-22-9)
- 6-Chloro-4-fluoro-1H-pyrrolo[2,3-b]pyridin-2(3H)-one (CAS 1190321-07-3)
- 6-Chloro-5-fluoro-1H-pyrrolo[2,3-b]pyridin-2(3H)-one (CAS 1190322-06-5)
- 7-Chloro-5-fluoro-1,3-benzoxazol-2-amine (CAS 1248793-15-8)
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Recommended Standards
- 6-Chloro-5-fluorobenzo[d]oxazol-2-amine (CAS 1268032-07-0)
- 6-Chloro-5-fluoro-2-methoxynicotinonitrile (CAS 1820650-64-3)
- 7-Chloro-6-fluoro-1,3-benzoxazol-2-amine (CAS 1820711-05-4)
- 1-(3-Methyl-1-benzofuran-2-yl)methanamine (CAS 3782-23-8)
- 5-Cyano-4-fluoro-2-methoxybenzoic acid (CAS 314298-28-7)
- methyl 3-amino-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzoate (CAS 850689-27-9)
- Ramelteon Impurity 47 (CAS CATO-C4X-262247)
- 3-Bromo-2-(difluoromethoxy)benzoic acid (CAS 1249235-55-9)
- 1,4-oxazepan-6-ylmethanol (CAS 934832-10-7)
- Sperm Activating Peptide, Sea Urchin (CAS 140653-27-6)
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