2,4-Difluoro-9H-fluoren-9-one CAS 2969-68-8
| CAS No. | 2969-68-8 |
| Molecular Formula | C13H6F2O |
| Molecular Weight | 216.18 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 2,4-Difluoro-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.
2,4-Difluoro-9H-fluoren-9-one (CAS 2969-68-8), molecular formula C13H6F2O and molecular weight 216.18 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 2,4-Difluoro-9H-fluoren-9-one (C13H6F2O) contains a hydroxyl group, an ether linkage, fluorine substitution, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 10.0, corresponding to approximately 10 ring(s) or double-bond equivalent(s). With a molecular weight of 216.18 g/mol, it falls into the medium-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C13H6F2O |
| Molecular Weight | 216.18 g/mol |
| 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 |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Halogen Content | F-containing |
Related Difluoro Standards
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- 3-(3,5-Difluoro-4-methoxyphenyl)propanoic acid (CAS 105219-44-1)
- 3-(3,5-Difluoro-2-methoxyphenyl)propanoic acid (CAS 1092460-64-4)
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- methyl 4-(2,2-difluoro-1-hydroxyethyl)benzoate (CAS 1176283-75-2)
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- 2,3-Difluoro-6-nitro-n-propylaniline (CAS 1250052-21-1)
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Recommended Standards
- 2,3-Difluoro-6-methoxybenzoic acid ethyl ester (CAS 773139-04-1)
- 2,5-Difluoro-4-isopropoxybenzoic acid (CAS 2121514-57-4)
- 2,3-Difluoro-4-isopropoxybenzoic acid (CAS 2404733-87-3)
- 2,5-Difluoro-4-propoxybenzoic acid (CAS 2586127-09-3)
- 1-Cyclopropylpyrazole-5-boronic Acid Pinacol Ester (CAS 2123477-78-9)
- Ethyl 3-{[(2,5-dimethoxyphenyl)carbamoyl]amino}propanoate (CAS 1022286-64-1)
- 2-(Difluoromethyl)-5-hydroxy-3-methylpyridine-6-carboxylic acid (CAS 1806977-49-0)
- 2-Iodo-6-nitrobenzoic acid (CAS 89641-04-3)
- Ethyl 3-(cyclohexanecarbonyl)benzoate (CAS 898792-20-6)
- Amidotrizoic Acid Dihydrate EP Impurity E (CAS CATO-C4X-33643)
- (1-(3-Bromophenoxy)cyclopropyl)methanol (CAS 1697654-06-0)
- 2-(4-Benzyl-1-piperazino)-5-fluorophenol (CAS 1171917-59-1)
- 2-((2-((2-Hydroxybenzyl)amino)phenyl)thio)-N-(p-tolyl)acetamide (CAS 763124-66-9)
- Peptide Impurity 64 (CAS CATO-CPTD788964)
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