6,6'-Bis[(4R)-4,5-dihydro-4-phenyl-2-oxazolyl]-2,2'-bipyridine CAS 2757082-77-0
| CAS No. | 2757082-77-0 |
| Molecular Formula | C28H22N4O2 |
| Molecular Weight | 446.50 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
6,6'-Bis[(4R)-4,5-dihydro-4-phenyl-2-oxazolyl]-2,2'-bipyridine (CAS 2757082-77-0), molecular formula C28H22N4O2 and molecular weight 446.50 g/mol, is a CATO reference standard with documented purity and traceability.
6,6'-Bis[(4R)-4,5-dihydro-4-phenyl-2-oxazolyl]-2,2'-bipyridine (C28H22N4O2) contains a steroid core, an amide group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
As a certified reference material (CRM), 6,6'-Bis[(4R)-4,5-dihydro-4-phenyl-2-oxazolyl]-2,2'-bipyridine 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 | C28H22N4O2 |
| Molecular Weight | 446.50 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°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) | 20.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2002 |
| Nitrogen Atoms | 4 |
Recommended Standards
- 5,12-Bis(4-methoxyphenyl)-5,12-dihydroquinoxalino[2,3-b]quinoxaline (CAS 2361129-08-8)
- di-tert-butyl((2R,3R)-3-(tert-butyl)-4-phenoxy-2,3-dihydrobenzo[d][1,3]oxaphosphol-2-yl)phosphine oxide (CAS 2545293-95-4)
- 4,4'-(Anthracene-9,10-diyl)di(benzohydrazide) (CAS 2382010-56-0)
- di-tert-butyl((2S,3S)-3-(tert-butyl)-4-phenoxy-2,3-dihydrobenzo[d][1,3]oxaphosphol-2-yl)phosphine oxide (CAS 2374143-31-2)
- 1-oxo-2H-2,7-naphthyridine-4-carbonitrile (CAS 2730140-53-9)
- 4-(2-Bromo-4,6-dimethylphenyl)thiosemicarbazide (CAS 1263377-75-8)
- 2-(2-(2-Chloro-4-fluorophenoxy)ethyl)-1,3-dioxane (CAS 1443338-39-3)
- 2-Oxo-2-(propylamino)ethyl dihydrogen phosphate (CAS 141456-11-3)
- 2-(4-Bromophenyl)-5,6,7,8-tetrahydroimidazo[1,2-a]pyrazine (CAS 1447606-40-7)
- (R)-5-[[(tert-Butyldimethylsilyl)oxy]methyl]-2-pyrrolidinone (CAS 128899-30-9)
- 3-Phenoxypentane-2,4-dione (CAS 31614-00-3)
- Aprocitentan Impurity 8 (CAS CATO-C4X-33558)
- 2-Bromo-2-(4-chloro-3-fluorophenyl)ethan-1-ol (CAS 2352913-90-5)
- D-Leu26-Tirzepatide (CAS CATO-CPTD788908)
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