331254-66-1 1-(4-Fluorobenzoyl)-2,2,4-trimethyl-1,2-dihydroquinoline MFCD00621859 CAS 331254-66-1
| CAS No. | 331254-66-1 |
| Molecular Formula | C19H18FNO |
| Molecular Weight | 295.35 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 331254-66-1 1-(4-Fluorobenzoyl)-2,2,4-trimethyl-1,2-dihydroquinoline MFCD00621859 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.
331254-66-1 1-(4-Fluorobenzoyl)-2,2,4-trimethyl-1,2-dihydroquinoline MFCD00621859 (CAS 331254-66-1), molecular formula C19H18FNO and molecular weight 295.35 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 331254-66-1 1-(4-Fluorobenzoyl)-2,2,4-trimethyl-1,2-dihydroquinoline MFCD00621859 (C19H18FNO) contains a steroid core, an amide group, a hydroxyl group, an ether linkage, fluorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 11.0, corresponding to approximately 11 ring(s) or double-bond equivalent(s). With a molecular weight of 295.35 g/mol, it falls into the medium-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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 | C19H18FNO |
| Molecular Weight | 295.35 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 |
| Degree of Unsaturation (DBE) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 1 |
Related Fluorobenzoyl Standards
- Methyl 1-(2-fluorobenzoyl)-1H-indole-3-carboxylate (CAS 350993-21-4)
- Methyl 1-(3-fluorobenzoyl)-1H-indole-3-carboxylate (CAS 332898-29-0)
- Methyl 1-(4-fluorobenzoyl)-1H-indole-3-carboxylate (CAS 401580-42-5)
- 5-(3-Fluorobenzoyl)-4-methyl-2,3,4,5-tetrahydro-1H-1,5-benzodiazepin-2-one (CAS 866156-60-7)
- 5-(4-Fluorobenzoyl)-3-methylthieno[2,3-c][1,2]thiazol-4-amine (CAS 339017-36-6)
- 1-(4-Fluorobenzoyl)octahydro-1H-indole-2-carboxylic acid (CAS 1102878-60-3)
- N-[3-(4-fluorobenzoyl)pyridin-2-yl]-2,2-dimethylpropanamide (CAS 1803592-57-5)
- 4-(4-Fluorobenzoyl)-N-(2-methoxyethyl)-1H-pyrrole-2-carboxamide (CAS 478078-61-4)
Recommended Standards
- tert-butyl N-[(tert-butoxy)carbonyl]-N-methanesulfonylcarbamate (CAS 2092000-74-1)
- (R)-tert-Butyl 2-(((methylsulfonyl)oxy)-methyl)morpholine-4-carboxylate 503455-76-3 (CAS 503455-76-3)
- Tert-butyl 4-(5-amino-3-fluoropyridin-2-yl)piperidine-1-carboxylate (CAS 2351275-60-8)
- Racecadotril EP Impurity C (CAS 124735-06-4)
- 2-(2-Methyl-1H-imidazol-1-yl)-3-nitropyridine (CAS 1483728-10-4)
- Ethyl 4,5-dioxotetrahydrofuran-3-carboxylate (CAS 86387-69-1)
- Pcb No. 81 (CAS 70362-50-4)
- Methyl 8-methylquinoline-5-carboxylate (CAS 82967-38-2)
- Ethyl isobutylcarbamate (CAS 539-89-9)
- 2-Amino-2-(2-methoxyphenyl)ethanol (CAS 108343-90-4)
- 4-Cyclopropoxy-N-methyl-2-(methylthio)pyridin-3-amine (CAS 1243349-71-4)
- 4-Acetoxy-1-benzylpiperidine-4-carboxylic acid (CAS 1262988-78-2)
- (2R,3R,4R,5R)-5-(6-(N-Benzoylbenzamido)-9H-purin-9-yl)-2-(hydroxymethyl)-4-((2-nitrobenzyl)oxy)tetrahydrofuran-3-yl benzoate (CAS 64481-95-4)
- Des-Gly29,30-Tirzepatide (CAS CATO-CPTD788944)
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