Oxazolo[4,5-c]pyridine CAS 273-56-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 273-56-3 |
| Molecular Formula | C6H4N2O |
| Molecular Weight | 120.11 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Oxazolo[4,5-c]pyridine (CAS 273-56-3) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C6H4N2O. Molecular weight: 120.11 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C6H4N2O |
| Molecular Weight | 120.11 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Nitrogen Atoms | 2 |
Related Oxazolo Standards
- Oxazolo[4,5-b]pyridine (CAS 273-97-2)
- Oxazolo[5,4-b]pyridine (CAS 273-62-1)
- Oxazolo[4,5-d]pyrimidine (CAS 42850-93-1)
- Oxazolo[5,4-d]pyrimidine (CAS 273-64-3)
- 3H-Oxazolo[3,4-c]pyrimidine (CAS 132104-33-7)
- 2H-Oxazolo[2,3-c][1,2,4]triazine (CAS 384851-48-3)
- Oxazolo[2,3,4-cd]pyrrolizine (CAS 163831-74-1)
- Oxazolo[3,2-a][1,3]diazepine (CAS 105066-62-4)
Recommended Standards
- Isoxazolo[5,4-c]pyridine (CAS 64761-69-9)
- Pyrazolo[1,5-a][1,3,5]triazine (CAS 274-72-6)
- Isoxazolo[5,4-b]pyridine (CAS 272-03-7)
- 2-Chloro-1-(3-methylpiperidin-1-yl)propan-1-one (CAS 885459-99-4)
- 3-(1,1-Dioxidothiomorpholino)benzohydrazide (CAS 923224-97-9)
- Ac-Leu-Glu-His-Asp-AFC trifluoroacetate salt (CAS 210345-03-2)
- N-((5-(Furan-2-yl)isoxazol-3-yl)methyl)-2-(pyrimidin-2-ylthio)acetamide (CAS 1207060-11-4)
- 2-Methylbenzyl carbamimidothioate hydrochloride (CAS 73338-92-8)
- Phenylephrine Impurity 52 (CAS 1785420-81-6)
- Semaglutide impurity 77 (CAS CATO-C4X-222677)
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