5-Ethyl-3-methylisoxazolo[4,5-b]pyridine CAS 144265-71-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 144265-71-4 |
| Molecular Formula | C9H10N2O |
| Molecular Weight | 162.19 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-Ethyl-3-methylisoxazolo[4,5-b]pyridine (CAS 144265-71-4) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C9H10N2O. Molecular weight: 162.19 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C9H10N2O |
| Molecular Weight | 162.19 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (faint amine-like odor) |
| 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.) | 1998 |
| Nitrogen Atoms | 2 |
Related Ethyl Standards
- 5-Ethyl-3-methylisoxazolo[5,4-b]pyridine (CAS 71224-70-9)
- 3-Methylisoxazolo[5,4-b]pyridine-4,6-diol (CAS 63523-55-7)
- 7-Methylisoxazolo[3,4-d]pyrimidine-4,6(5H,7H)-dione (CAS 65183-63-3)
- 3-Methylisoxazolo[5,4-d]pyrimidine-4(5H)-thione (CAS 130783-68-5)
- 3-Methylisoxazolo[3,4-d]pyridazin-7-ol (CAS 526200-64-6)
- 6-Methylisoxazolo[5,4-d]pyrimidin-3-amine (CAS 1171935-86-6)
- 3-Methylisoxazolo[5,4-b]pyridin-4-ol (CAS 1443108-80-2)
- 3-Methylisoxazolo[4,5-c]pyridin-4(5H)-one (CAS 164223-43-2)
Recommended Standards
- 1-Indanecarboxylic Acid (CAS 14381-42-1)
- 5-Methoxy-1-methyl-1H-pyrrolo[2,3-c]pyridine (CAS 1443411-48-0)
- n-(Pyridin-2-yl)cyclopropanecarboxamide (CAS 14372-23-7)
- 7-Methoxy-2-(methylthio)benzo[d]thiazole (CAS 2942-19-0)
- N-Benzyl-3-(2-((4-methylphenyl)sulfonamido)thiazol-4-yl)propanamide (CAS 1040670-83-4)
- 3-(1-methyl-1H-pyrazol-5-yl)cyclopentan-1-one (CAS 1340410-90-3)
- 3-(4-Methoxyphenyl)-1-methylpiperazine-2,5-dione (CAS 1214695-74-5)
- Magnesium dihydrogen phosphate (CAS 13092-66-5)
- 4-Hydroxypyridine-2,3-dicarboxylic acid (CAS 53940-13-9)
- Galanin-Like Peptide (human) trifluoroacetate salt (CAS 245114-99-2)
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