2,2′-[1,1′-Biphenyl]-4,4′-diylbis[4,5-dihydrooxazole] CAS 77545-13-2
| CAS No. | 77545-13-2 |
| Molecular Formula | C18H16N2O2 |
| Molecular Weight | 292.33 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2,2′-[1,1′-Biphenyl]-4,4′-diylbis[4,5-dihydrooxazole] (CAS 77545-13-2) is a high-purity analytical reference standard with the molecular formula C18H16N2O2 and a molecular weight of 292.33 g/mol.
Owing to a steroid core, an amide group, a hydroxyl group, an ether linkage, 2,2′-[1,1′-Biphenyl]-4,4′-diylbis[4,5-dihydrooxazole] is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 292.33 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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), 2,2′-[1,1′-Biphenyl]-4,4′-diylbis[4,5-dihydrooxazole] 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 | C18H16N2O2 |
| Molecular Weight | 292.33 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1979 |
| Nitrogen Atoms | 2 |
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Recommended Standards
- 2-(Dimethylamino)-5-(5-phenyloxazol-2-yl)benzaldehyde (CAS 831197-42-3)
- 2,4-Bis(benzyloxy)pyrimidine (CAS 7306-79-8)
- 2-(8-(Tert-butoxycarbonyl)-5,6,7,8-tetrahydro-1,8-naphthyridin-2-yl)acetic acid (CAS 445492-19-3)
- 2-[2-(2,3-Dihydro-1H-indol-1-yl)ethyl]-1H-isoindole-1,3(2H)-dione (CAS 24729-82-6)
- 4-chloro-6-ethynylthieno[3,2-d]pyrimidine (CAS 552294-21-0)
- Europium(III) bromide (CAS 13759-88-1)
- (R)-2-(((Benzyloxy)carbonyl)amino)-1-((S)-2,5-dihydrofuran-2-yl)ethyl 4-methylbenzenesulfonate (CAS 1001547-78-9)
- methyl 4-chloropyrazolo[1,5-a]pyridine-3-carboxylate (CAS 1167056-15-6)
- 3-Indolyl-Acetic Acid-Ethyl Ester (CAS 778-82-5)
- N-butyl-2-(3-hydroxyazetidin-1-yl)acetamide (CAS 1344275-97-3)
- 3-Methoxy-4-[(1-methyl-1h-pyrazol-4-yl)methoxy]benzoic acid (CAS 1152965-43-9)
- Ethyl 4-(5-fluoro-2-methylphenyl)-4-oxobutanoate (CAS 898758-99-1)
- N-Methyl-(2-thienylmethyl)amine Hydrochloride (CAS 7404-67-3)
- Anti-Inflammatory Peptide 1 (CAS 118850-71-8)
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