7-Amino-2,4-dichloro-9H-fluoren-9-one CAS 1785-32-6
| CAS No. | 1785-32-6 |
| Molecular Formula | C16H14ClN3O2 |
| Molecular Weight | 315.75 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 7-Amino-2,4-dichloro-9H-fluoren-9-one.
CATO supplies 7-Amino-2,4-dichloro-9H-fluoren-9-one (CAS 1785-32-6), a certified reference material (molecular formula C16H14ClN3O2, MW 315.75 g/mol) for analytical method development and quality control.
Based on its molecular formula C16H14ClN3O2, 7-Amino-2,4-dichloro-9H-fluoren-9-one contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 315.75 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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.
As a certified reference material (CRM), 7-Amino-2,4-dichloro-9H-fluoren-9-one meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C16H14ClN3O2 |
| Molecular Weight | 315.75 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 sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
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Recommended Standards
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- Ethyl 3-(4-chlorophenyl)-7-methylpyrazolo[1,5-a]pyrimidine-6-carboxylate (CAS 173678-19-8)
- 4-Chloro-N-(4-fluoro-3-methoxyphenyl)benzene-1-sulfonamide (CAS 1881293-44-2)
- Ethyl 5-(tert-butylamino)thiazole-4-carboxylate (CAS 1341132-68-0)
- 2-Phenoxythiophen-3-amine (CAS 1287217-69-9)
- 1,4-Phenylenebis((4-(tert-butyl)-2,6-dimethylphenyl)methanone) (CAS 911836-46-9)
- 2-(2-Bromo-3-methylphenyl)acetonitrile (CAS 248920-09-4)
- 4-[(tert-butoxy)carbonyl]-2-methylmorpholine-2-carboxylic acid (CAS 1205749-71-8)
- 2-(naphthalen-2-yloxy)acetyl chloride 40926-77-0 KS-00001L6K (CAS 40926-77-0)
- 4-(1-(4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)ethyl)morpholine (CAS 1206594-12-8)
- 1-(6-Amino-1,2,3,4-tetrahydroquinolin-1-yl)ethan-1-one hydrochloride (CAS 1235441-74-3)
- N-Cyclopentyl-4-methylbenzamide (CAS 349403-36-7)
- Insulin Degludec Impurity 2 (CAS CATO-C4X-21572)
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