(2S)-2-(4-Fluorophenyl)oxirane CAS 134356-74-4
| CAS No. | 134356-74-4 |
| Molecular Formula | C8H7FO |
| Molecular Weight | 138.14 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
(2S)-2-(4-Fluorophenyl)oxirane (CAS 134356-74-4), molecular formula C8H7FO and molecular weight 138.14 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a hydroxyl group, an ether linkage, fluorine substitution, an aromatic ring system, (2S)-2-(4-Fluorophenyl)oxirane is typically off-white to pale yellow liquid. Its solid-state physicochemical attributes — including a molecular weight of 138.14 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.
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), (2S)-2-(4-Fluorophenyl)oxirane 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 | C8H7FO |
| Molecular Weight | 138.14 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1995 |
| Halogen Content | F-containing |
Related S Standards
- (S)-2-(2-Fluorophenyl)oxirane (CAS 1014696-04-8)
- (R)-2-(4-Fluorophenyl)oxirane (CAS 134356-73-3)
- 2-(4-Fluorophenyl)acetaldehyde (CAS 1736-67-0)
- 2-(3-Fluorophenyl)oxirane (CAS 18511-63-2)
- (2-fluorophenyl)acetaldehyde (CAS 75321-85-6)
- (R)-2-(2-Fluorophenyl)oxirane (CAS 74248-65-0)
- (R)-2-(3-Fluorophenyl)oxirane (CAS 403501-35-9)
- 2-(2-Fluorophenyl)oxirane (CAS 74249-17-5)
Recommended Standards
- 3-Fluoro-6,7-dihydro-5h-pyrrolo[3,4-b]pyridine (CAS 1347234-07-4)
- 4-Fluoro-2-vinylphenol (CAS 1295507-13-9)
- 4-Fluoro-3-methylbenzaldehyde (CAS 135427-08-6)
- 5-Fluoro-1H,2H,3H-pyrrolo[3,2-b]pyridine (CAS 1260664-12-7)
- (4Z)-1-(4-Chlorophenyl)-3-ethoxy-4-{[(morpholin-4-yl)amino]methylidene}-4,5-dihydro-1H-pyrazol-5-one (CAS 338751-09-0)
- N-(3-(Allyloxy)phenyl)-3-amino-4-methoxybenzamide (CAS 1706463-11-7)
- 1,2-Dichloro-3-nitro-5-(trifluoromethoxy)benzene (CAS 133013-41-9)
- 4-(3,6-Dimethyl-3-heptyl)phenol diethoxylate (CAS 1119449-38-5)
- 3-Bromo-N-(4-ethoxybenzo[d]thiazol-2-yl)benzamide (CAS 312917-09-2)
- (11-Bromoundecyl)trimethoxysilane (CAS 17947-99-8)
- (R)-2,6-Diaminohexan-1-ol (CAS 1313054-89-5)
- N-Ethyl-2-(4-ethylphenoxy)ethanamine Hydrochloride (CAS 915924-21-9)
- 2-(2-Methyl-4-oxo-7-(trifluoromethyl)quinolin-1(4H)-yl)acetonitrile (CAS 1210270-86-2)
- Semaglutide impurity 42 (CAS CATO-C4X-222642)
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