2-Chloro-7-nitro-9H-fluorene CAS 6939-05-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 6939-05-5 |
| Molecular Formula | C13H8ClNO2 |
| Molecular Weight | 245.66 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-Chloro-7-nitro-9H-fluorene (CAS 6939-05-5) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C13H8ClNO2. Molecular weight: 245.66 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C13H8ClNO2 |
| Molecular Weight | 245.66 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
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Recommended Standards
- 2-Chloro-5-(oxazolo[4,5-b]pyridin-2-yl)aniline (CAS 354561-70-9)
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- 2-(4-Chlorophenyl)-1H-imidazo[4,5-b]pyridin-1-ol (CAS 339009-85-7)
- 4-(2-Fluoro-3-methoxypyridin-4-yl)benzaldehyde (CAS 2635937-14-1)
- Cyclodecane-1,2-dione (CAS 96-01-5)
- 1-(4-Fluorophenyl)-2-methylprop-2-en-1-one (CAS 58472-45-0)
- 1,6-Diphenyl-1H-pyrazolo[3,4-d]pyrimidin-4(5H)-one (CAS 130925-67-6)
- 6-Bromo-5-(trifluoromethyl)nicotinonitrile (CAS 1496535-09-1)
- 2-(1-(3-Chloro-5-(trifluoromethyl)pyridin-2-yl)-1H-indol-3-yl)acetonitrile (CAS 303152-93-4)
- Epidermal Growth Factor Receptor Peptide (985-996) (CAS 96249-43-3)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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