N-(5-fluoro-2-methylphenyl)-2-(4-(4-fluorophenyl)piperazin-1-yl)acetamide CAS 303091-61-4
| CAS No. | 303091-61-4 |
| Molecular Formula | C19H21F2N3O |
| Molecular Weight | 345.39 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
N-(5-fluoro-2-methylphenyl)-2-(4-(4-fluorophenyl)piperazin-1-yl)acetamide (CAS 303091-61-4), molecular formula C19H21F2N3O and molecular weight 345.39 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, N-(5-fluoro-2-methylphenyl)-2-(4-(4-fluorophenyl)piperazin-1-yl)acetamide (C19H21F2N3O) contains a steroid core, an amide group, a hydroxyl group, an ether linkage, fluorine substitution. 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 345.39 g/mol, it falls into the moderately-high-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), N-(5-fluoro-2-methylphenyl)-2-(4-(4-fluorophenyl)piperazin-1-yl)acetamide 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 | C19H21F2N3O |
| Molecular Weight | 345.39 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 |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| 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.) | 2025 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 3 |
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Recommended Standards
- N-(4-fluorobenzyl)-2-(4-(4-fluorophenyl)piperazin-1-yl)acetamide (CAS 882749-30-6)
- N-[(1,1-Dimethylethoxy)carbonyl]-1-(phenylmethyl)-D-histidine (CAS 65717-64-8)
- n-(3-Methoxyphenyl)-2-(8-methyl-2,4-dioxo-1,3-diazaspiro[4.5]decan-3-yl)acetamide (CAS 730946-81-3)
- N-[2-(1H-Indol-3-yl)ethyl]-5-methyl-3-phenyl-1,2-oxazole-4-carboxamide (CAS 851905-89-0)
- 1'-Isobutyrylspiro[chromane-2,4'-piperidin]-4-one (CAS 887466-59-3)
- Tert-butyl ((1r,4r)-4-(2-aminoethyl)cyclohexyl)carbamate (CAS 1212272-05-3)
- tert-Butyl endo-7-amino-3-oxa-9-azabicyclo[3.3.1]nonane-9-carboxylate (CAS 280762-03-0)
- Nintedanib-D3 (CAS 1624587-84-3)
- N-(3-(Dimethylamino)propyl)-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzamide (CAS 936250-16-7)
- 3,5-Difluoro-4-formylbenzoic acid (CAS 736990-88-8)
- 3'-Methoxy-[2,4'-bipyridine]-3-carboxylic acid (CAS 1355015-92-7)
- 5-Amino-3-methylbenzo[d]isoxazole (CAS 851768-35-9)
- Ethyl 1-ethyl-5-[4'-(trifluoromethyl)-[1,1'-biphenyl]-2-amido]-1H-indole-2-carboxylate (CAS 481659-90-9)
- Tirzepatide Impurity 43 (CAS CATO-C4X-324043)
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