4,5-Diphenyloxazole CAS 4675-18-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 4675-18-7 |
| Molecular Formula | C15H11NO |
| Molecular Weight | 221.25 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4,5-Diphenyloxazole (CAS 4675-18-7) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C15H11NO. Molecular weight: 221.25 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C15H11NO |
| Molecular Weight | 221.25 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
| Nitrogen Atoms | 1 |
Related Diphenyloxazole Standards
- 2,4-Diphenyloxazole (CAS 838-41-5)
- 2-Methyl-4,5-diphenyloxazole (CAS 14224-99-8)
- 5-Methyl-2,4-diphenyloxazole (CAS 38511-88-5)
- 92-71-7 2,5-Diphenyloxazole Oxazole, 2,5-diphenyl- 4-27-00-01435 (Beilstein Handbook Reference) BRN 0157021 2,5-Diphenyl-1,3-oxazole DPO (scintillator) EINECS 202-181-3 NSC 24856 PPO (scintillator) PPO (scintillator) (VAN) PPO (VAN) Tritosol USAF EK-6775 (CAS 92-71-7)
- 2,4-Diphenyloxazole-5-carbaldehyde (CAS 917989-01-6)
- 4,5-Diphenyloxazole-2(3H)-thione (CAS 6670-13-9)
- Methyl 2,5-diphenyloxazole-4-carboxylate (CAS 25755-94-6)
- Ethyl 2,4-diphenyloxazole-5-carboxylate (CAS 93729-30-7)
Recommended Standards
- 4-(tert-Butylcarbamoyl)benzoic acid (CAS 215118-68-6)
- 4-[(2-Methylbutanoyl)amino]benzoic acid (CAS 925068-68-4)
- 4-(Pyridin-2-yloxy)cyclohexane-1-carboxylic acid (CAS 2050002-60-1)
- 5-Bromo-3-ethyl-2,3-dihydro-1h-indol-2-one (CAS 304876-05-9)
- 4-Hydroxy-4-methyl-1-phenylpyrazolidin-3-one (CAS 77777-68-5)
- 21037-81-0 4-Propyl-1H-pyrazole MFCD19982745 (CAS 21037-81-0)
- 3-[5-methyl-7-(trifluoromethyl)-[1,2,4]triazolo[1,5-a]pyrimidin-2-yl]propanoic acid (CAS 1018052-06-6)
- rac-(4aR,8aS)-octahydro-1H-pyrido[3,4-d][1,3]oxazin-2-one (CAS 1909294-56-9)
- (R)-5-(5-Amino-3,3-difluoropiperidin-1-yl)-N-(3-(difluoromethyl)-1-methyl-1H-pyrazol-4-yl)pyrazolo[1,5-a]pyrimidine-3-carboxamide (CAS 1710554-33-8)
- Semaglutide impurity 32 (CAS CATO-C4X-222632)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com