6-Cyclopropyl-3-isobutylisoxazolo[5,4-b]pyridine-4-carboxylic acid CAS 1263209-11-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1263209-11-5 |
| Molecular Formula | C14H16N2O3 |
| Molecular Weight | 260.29 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
6-Cyclopropyl-3-isobutylisoxazolo[5,4-b]pyridine-4-carboxylic acid (CAS 1263209-11-5) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C14H16N2O3. Molecular weight: 260.29 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C14H16N2O3 |
| Molecular Weight | 260.29 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.) | 1990 |
| Nitrogen Atoms | 2 |
Related Cyclopropyl Standards
- 4-((3-Cyclopropyl-2-oxoimidazolidin-1-yl)methyl)benzoic acid (CAS 1707375-73-2)
- 3-((3-Cyclopropyl-2-oxoimidazolidin-1-yl)methyl)benzoic acid (CAS 1713639-88-3)
- 2-Cyclopropyl-N-(3-hydroxypropyl)-5H-pyrrolo[2,3-b]pyrazine-7-carboxamide (CAS 1956323-07-1)
- Methyl 4-Cyclopropyl-3-methyl-2-oxo-1,2,3,4-tetrahydroquinoxaline-6-carboxylate (CAS 2201816-81-9)
- 5-Cyclopropyl-3-(1-(piperidin-4-yl)-1H-1,2,3-triazol-4-yl)-1,2,4-oxadiazole (CAS 1707370-44-2)
- 5-Cyclopropyl-3-(1-(piperidin-3-yl)-1H-1,2,3-triazol-4-yl)-1,2,4-oxadiazole (CAS 1707394-35-1)
- 5-Cyclopropyl-1-(2-fluorobenzyl)-1H-pyrazole-3-carboxylic acid (CAS 1239747-90-0)
- 5-(4-Cyclopropyl-1H-imidazol-1-yl)-2-fluoro-4-methylbenzoic acid (CAS 1448508-47-1)
Recommended Standards
- 1-(1-Carboxy-2-phenylethyl)-4,5-dimethyl-1H-imidazole 3-oxide (CAS 126263-21-6)
- (S)-2-(2-(1H-Indol-3-yl)acetamido)butanoic acid (CAS 126331-57-5)
- Ethyl 1-(4-methoxyphenyl)-5-methyl-1H-pyrazole-3-carboxylate (CAS 126068-76-6)
- 5-Cyclopropoxy-6-methoxypicolinonitrile (CAS 1243395-97-2)
- 5-chloro-5-methylhex-1-ene (CAS 116911-84-3)
- Methyl 2-amino-3-(5-bromo-1h-indol-3-yl)propanoate (CAS 355017-52-6)
- methyl 6-aminopyrimidine-4-carboxylate (CAS 77817-12-0)
- N-(4-Hydroxyphenyl)-3-(4-methoxyphenyl)acrylamide (CAS 19186-86-8)
- 5-Methyl-N-(o-tolyl)furo[3,2-b]pyridine-2-carboxamide (CAS 941928-30-9)
- Tirzepatide Impurity 13 (CAS CATO-C4X-324013)
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