3,7-Difluoro-2-nitro-9H-fluoren-9-one CAS 6942-44-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 6942-44-5 |
| Molecular Formula | C8H17NO5 |
| Molecular Weight | 207.22 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3,7-Difluoro-2-nitro-9H-fluoren-9-one (CAS 6942-44-5) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C8H17NO5. Molecular weight: 207.22 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C8H17NO5 |
| Molecular Weight | 207.22 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 1.0 |
| CAS Registry Year (est.) | 1958 |
| Nitrogen Atoms | 1 |
Related Difluoro Standards
- ethyl 2,2-difluoro-2-(pyridin-3-yl)acetate (CAS 1247716-64-8)
- ethyl 2,2-difluoro-2-(4-piperidyl)acetate (CAS 1258826-61-7)
- 4-(4,4-Difluoro-piperidin-1-yl)-butyric acid (CAS 1860991-91-8)
- 4,4-Difluoro-N-methoxy-N-methylcyclohexanecarboxamide (CAS 917383-03-0)
- 3,5-Difluoro-n-methylbenzenesulfonamide (CAS 1099020-56-0)
- 2,6-Difluoro-4-(methylsulfonyl)aniline (CAS 1147557-74-1)
- 2,5-Difluoro-4-methanesulfonyl-phenylamine (CAS 1147557-75-2)
- 2,3-difluoro-4-methylbenzene-1-sulfonamide (CAS 1204573-30-7)
Recommended Standards
- 2-Methyl-5-((trifluoromethyl)thio)aniline (CAS 933673-21-3)
- 3-Amino-2-(methylthio)benzotrifluoride (CAS 256508-73-3)
- 2-Methyl-4-((trifluoromethyl)thio)aniline (CAS 935440-71-4)
- 2-Ethylbenzimidazole (CAS 1848-84-6)
- Pyrrolo[1,2-a]pyrazine-1-carboxylic acid (CAS 1895300-97-6)
- 1-Isopropyl-2-vinylbenzene (CAS 19789-33-4)
- 4-(Morpholin-2-yl)benzoic acid hydrochloride (CAS 1417637-41-2)
- 7-Cyclopropylpyrazolo[1,5-a]pyrimidine-5-carboxylic acid (CAS 1458593-81-1)
- 3-(3-(Dimethylamino)phenyl)pyrrolidine-2,5-dione (CAS 66064-09-3)
- Semaglutide impurity 74 (CAS CATO-C4X-222674)
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