Pyridin-4-amine 2-(benzo[d]isoxazol-3-yl)maleate CAS 138249-03-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 138249-03-3 |
| Molecular Formula | C12H9N3O C4H4O4 |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Pyridin-4-amine 2-(benzo[d]isoxazol-3-yl)maleate (CAS 138249-03-3) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C12H9N3O C4H4O4. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C12H9N3O C4H4O4 |
| Molecular Weight | 327.30 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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1996 |
| Nitrogen Atoms | 3 |
Related Pyridin Standards
- 3-[(E)-2-(Pyridin-3-yl)ethenyl]-1,2-dihydroquinoxalin-2-one (CAS 1000169-10-7)
- 2-(pyridin-2-ylsulfanyl)acetic acid (CAS 10002-29-6)
- 4-(Pyridin-3-yloxy)benzenesulfonic acid (CAS 1000340-09-9)
- 2-(2-Oxo-2-(pyridin-4-yl)ethylidene)thiazolidin-4-one (CAS 1000932-15-9)
- 2-[2-oxo-2-(pyridin-3-yl)ethylidene]-1,3-thiazolidin-4-one (CAS 1000932-62-6)
- N-(pyridin-3-ylmethyl)sulfamide (CAS 1000933-31-2)
- Ethyl 1-(2-pyridin-2-ylethyl)piperidine-4-carboxylate (CAS 1000941-29-6)
- 1-Methyl-4-(pyridin-2-ylmethyl)piperazine (CAS 100158-57-4)
Recommended Standards
- 2-Bromo-1-isopropyl-5-methyl-1H-imidazole (CAS 1896405-80-3)
- Methotrexate Tetraglutamate (CAS 73610-81-8)
- rel-(2R,3R)-6-[α-(2-Ethoxy-d5-phenoxy)benzyl]morpholin-3-one (CAS 1292840-26-6)
- (4S)-4-[(N-Ethylanilino)methyl]-4,5-dihydro-1,3-oxazol-2-amine (CAS 1048346-74-2)
- 1-(2,4-difluorophenyl)-1H-1,3-benzodiazole-2-thiol (CAS 1038333-51-5)
- N'1-(2-chloro-6-fluorobenzylidene)-2-(4,5-dichloro-1H-imidazol-1-yl)ethanohydrazide (CAS 649578-72-3)
- Semaglutide impurity 286 (CAS CATO-C4X-2226286)
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