2,2′-(1,2-Phenylene)bis[4-ethyl-4,5-dihydrooxazole] CAS 220337-20-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 220337-20-2 |
| Molecular Formula | C16H20N2O2 |
| Molecular Weight | 272.34 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2,2′-(1,2-Phenylene)bis[4-ethyl-4,5-dihydrooxazole] (CAS 220337-20-2) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C16H20N2O2. Molecular weight: 272.34 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C16H20N2O2 |
| Molecular Weight | 272.34 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2019 |
| Nitrogen Atoms | 2 |
Related Phenylene Standards
- 2,2′-(1,3-Phenylene)bis[4-ethyl-4,5-dihydrooxazole] (CAS 1240037-59-5)
- 2,2′-(1,2-Phenylene)bis[4,5-dihydro-4,4-dimethyloxazole] (CAS 131380-84-2)
- 2,2′-(1,4-Phenylene)bis[4,5-dihydro-4,4-dimethyloxazole] (CAS 25151-49-9)
- ((4-Methyl-1,3-phenylene)bis(methylene))dibenzene (CAS 94871-33-7)
- ((2-Methyl-1,4-phenylene)bis(oxy))bis(trimethylsilane) (CAS 78018-53-8)
- 1,2-Phenylene-bis-maleimide (CAS 13118-04-2)
- 1,1'-(1,4-Phenylene)bis(1H-pyrazole-4-carbaldehyde) (CAS 1620396-74-8)
- 1,1'-(4-Methyl-1,3-phenylene)bis(3,3-dimethylurea) (CAS 17526-94-2)
Recommended Standards
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- Ethyl 1-methyl-3-sulfamoyl-1H-pyrazole-5-carboxylate (CAS 1995072-17-7)
- 4-Ethyl-3,4-dihydro-2H-benzo[e][1,2]thiazine 1,1-dioxide (CAS 1799977-70-0)
- 2-(2-Chloropyridin-3-yl)-1-ethyl-5,6-dimethyl-1H-benzo[d]imidazole (CAS 860787-71-9)
- 2,6-Dimethoxy-N-(3-(1-methylcyclohexyl)isoxazol-5-yl)benzamide (CAS 82558-66-5)
- N-(3-carbamimidamidophenyl)acetamide (CAS 150784-53-5)
- Tau Peptide (277-291) trifluoroacetate salt (CAS 330456-40-1)
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