5-Ethyl-3-methylisoxazolo[5,4-b]pyridine CAS 71224-70-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 71224-70-9 |
| Molecular Formula | C9H10N2O |
| Molecular Weight | 162.19 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 5-Ethyl-3-methylisoxazolo[5,4-b]pyridine (CAS 71224-70-9), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C9H10N2O. Molecular weight: 162.19 g/mol. Batch-specific COA and technical support are available on request.
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.) | 1977 |
| Nitrogen Atoms | 2 |
Related Ethyl Standards
- 5-Ethyl-3-methylisoxazolo[4,5-b]pyridine (CAS 144265-71-4)
- 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
- 5-ethyl-2,3-dihydro-1H-1,3-benzodiazol-2-one (CAS 39513-23-0)
- 5-Ethylbenzofuran-2(3H)-one (CAS 24431-31-0)
- 5-Ethyl-1,3-dihydro-2H-pyrrolo[2,3-b]pyridin-2-one (CAS 223646-11-5)
- 7-Bromo-5H-pyrrolo[2,3-b]pyrazine-2-carboxylic acid (CAS 2168444-66-2)
- 2-(2,4-Bis(trifluoromethyl)phenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 1073353-65-7)
- Topiroxostat Impurity 16 (CAS CATO-C4X-105516)
- 6-Bromo-4-(chloromethyl)picolinaldehyde (CAS 1393543-83-3)
- 7-Ethoxyquinoline-3-carbaldehyde (CAS 745830-19-7)
- 2-(Aminomethyl)-6-bromo-3-(difluoromethyl)-4-hydroxypyridine (CAS 1805407-69-5)
- Peptide Impurity 11 X TFA Salt (CAS CATO-CPTD788811)
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