2,5,7-Trichloro-9H-fluoren-4-amine CAS 97028-39-2
| CAS No. | 97028-39-2 |
| Molecular Formula | C13H8Cl3N |
| Molecular Weight | 284.57 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
2,5,7-Trichloro-9H-fluoren-4-amine (CAS 97028-39-2), molecular formula C13H8Cl3N and molecular weight 284.57 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a nitrogen-containing heterocyclic scaffold, a nitrile group, chlorine substitution, 2,5,7-Trichloro-9H-fluoren-4-amine is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 284.57 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
CATO manufactures 2,5,7-Trichloro-9H-fluoren-4-amine under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C13H8Cl3N |
| Molecular Weight | 284.57 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-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 chloroform, dichloromethane, ethyl acetate |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1984 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
Related Trichloro Standards
- 1,3,7-Trichloro-9H-fluoren-2-amine (CAS 19857-79-5)
- 2,3,3-Trichloro-N-(2-chlorophenyl)prop-2-enamide (CAS 949-35-9)
- 1,1,1-Trichloro-3,3,3-trifluoro-2-(trifluoromethyl)propan-2-ol (CAS 7594-49-2)
- Trichloro(3-(4-methoxyphenyl)propyl)silane (CAS 163155-57-5)
- 2,2,2-Trichloro-1-(1-ethyl-4-nitro-1H-pyrrol-2-yl)ethan-1-one (CAS 942296-58-4)
- 3,6,7-Trichloro-2H-benzo[e][1,2,4]thiadiazine 1,1-dioxide (CAS 1437447-96-5)
- 1,3,8-Trichloro-6-methyldibenzo[b,d]furan (CAS 118174-38-2)
- 1,3,6-Trichloro-8-methyldibenzo[b,d]furan (CAS 172485-96-0)
Recommended Standards
- 8-Bromo-4-chloro-3-ethyl-2-methylquinoline (CAS 1136-47-6)
- N-(4-bromo-3-chlorophenyl)-methanesulfonamide (CAS 861442-05-9)
- 6-Bromo-2-chloro-3-(propan-2-yl)quinoline (CAS 1343468-40-5)
- N-(4-bromo-2-chlorophenyl)methanesulfonamide (CAS 902092-99-3)
- Ethyl 2-bromo-6-chlorobenzoate (CAS 933672-18-5)
- 2-(4-(Difluoromethyl)-2-fluoro-5-(trifluoromethyl)pyridin-3-yl)acetonitrile (CAS 1805605-72-4)
- 5-Chloro-2-oxo-1,2-dihydropyridine-4-carbonitrile (CAS 1805113-40-9)
- 2,3-Dimethyl-6-nitroaniline (CAS 59146-96-2)
- 3-(tert-Butyl)-5-cyclopropoxybenzaldehyde (CAS 1243456-14-5)
- 3,4-Dichloro-2-methoxybenzamide (CAS 1934673-42-3)
- Tert-butyl 2-(2-aminopyrimidin-4-yl)pyrrolidine-1-carboxylate (CAS 1197850-17-1)
- (2,4-Dibromo-3-(difluoromethoxy)phenyl)methanol (CAS 1804514-71-3)
- 2-Butyl-6-nitrobenzo[d]oxazole (CAS 886360-96-9)
- Semaglutide Impurity 190 (CAS CATO-C4X-2226190)
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 18665070610 / Nicole.chen@cato-chem.com