4-(tert-Butoxy)-4-oxo-2-(4-(trifluoromethoxy)benzyl)butanoic acid CAS 1260665-08-4
| CAS No. | 1260665-08-4 |
| Molecular Formula | C16H19F3O5 |
| Molecular Weight | 348.31 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 4-(tert-Butoxy)-4-oxo-2-(4-(trifluoromethoxy)benzyl)butanoic acid (CAS 1260665-08-4), a certified reference material (molecular formula C16H19F3O5, MW 348.31 g/mol) for analytical method development and quality control.
Owing to a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine substitution, an aromatic ring system, 4-(tert-Butoxy)-4-oxo-2-(4-(trifluoromethoxy)benzyl)butanoic acid is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 348.31 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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.
As a certified reference material (CRM), 4-(tert-Butoxy)-4-oxo-2-(4-(trifluoromethoxy)benzyl)butanoic acid 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 | C16H19F3O5 |
| Molecular Weight | 348.31 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Halogen Content | F-containing |
Related tert Standards
- Ethyl 4-butoxy-3-iodobenzoate (CAS 1131614-79-3)
- 4-[(2-{[(tert-butoxy)carbonyl]amino}-3-ethoxy-3-oxopropyl)sulfanyl]-4-oxobutanoic acid (CAS 1396969-11-1)
- 1-{1-[(tert-butoxy)carbonyl]piperidin-4-yl}-5-(difluoromethyl)-1H-1,2,3-triazole-4-carboxylic acid (CAS 2044713-17-7)
- 4-(2-{[(tert-butoxy)carbonyl]amino}-3-phenylpropanamido)butanoic acid (CAS 1097632-70-6)
- 2-{4-[(Tert-butoxy)carbonyl]piperazin-1-yl}-3-nitrobenzoic acid (CAS 904814-87-5)
- 3-Butoxy-N-(6-fluorobenzo[d]thiazol-2-yl)benzamide (CAS 477553-79-0)
- 6-((3-(tert-Butoxy)-3-oxopropyl)amino)-2-(pyridin-2-yl)pyrimidine-4-carboxylic acid (CAS 1373424-19-1)
- 2-{4-[(tert-butoxy)carbonyl]piperazin-1-yl}-5-nitropyridine-3-carboxylic acid (CAS 1242268-14-9)
Recommended Standards
- 2-[4-[(1H-1,2,4-Triazol-1-yl)methyl]phenyl]-1,3-dioxoisoindoline-5-carboxylic Acid (CAS 1092333-06-6)
- Taiwanin C (CAS 14944-34-4)
- Pyrasulfotole-desmethyl (CAS 936621-05-5)
- Palmarumycin C3 (CAS 159934-11-9)
- 374-25-4 4-bromanyl-3-chloranyl-3,4,4-tris(fluoranyl)but-1-ene 4-bromo-3-chloro-3,4,4-trifluoro-1-butene A823642 (CAS 374-25-4)
- N-tert-Butoxycarbonyl-D-tyrosine methyl ester (CAS 76757-90-9)
- 2-amino-4-fluoro-1,3-benzothiazole-6-carbonitrile (CAS 1427448-37-0)
- 2-(2-(((Benzyloxy)carbonyl)amino)-6-oxo-3H-purin-9(6H)-yl)acetic acid (CAS 169287-69-8)
- 4-Bromo-3-fluoro-1-methylpyridin-2(1H)-one (CAS 2517593-01-8)
- 1-(4-Chloro-2-methylphenyl)ethanamine (CAS 138228-12-3)
- 2',6'-Dimethyl-[1,1'-biphenyl]-3,5-dicarbaldehyde (CAS 2739670-98-3)
- 3-[(2-Boc-hydrazino)methyl]benzonitrile (CAS 386768-81-6)
- 1-(4-Chlorophenyl)cyclopropanecarbonyl chloride (CAS 78682-33-4)
- [D-Phe22]Semaglutide (CAS CATO-C4X-2226222)
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