5-(2,3-Dihydro-1,4-benzodioxin-6-yl)-1,3-oxazole-4-carboxylic acid CAS 1240165-83-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1240165-83-6 |
| Molecular Formula | C12H9NO5 |
| Molecular Weight | 247.20 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 5-(2,3-Dihydro-1,4-benzodioxin-6-yl)-1,3-oxazole-4-carboxylic acid (CAS 1240165-83-6), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C12H9NO5. Molecular weight: 247.20 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C12H9NO5 |
| Molecular Weight | 247.20 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 methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Nitrogen Atoms | 1 |
Related Dihydro Standards
- Methyl 1,3-dihydro-α,1,3-trioxo-2H-isoindole-2-propanoate (CAS 153646-24-3)
- 1-(2,3-dihydro-1,4-benzodioxin-6-yl)-1H-1,2,3-triazole-4-carboxylic acid (CAS 1049606-32-7)
- 1-Benzyl-2,5-dihydro-1H-pyrrole-3,4-dicarboxylic acid (CAS 1355196-62-1)
- 1,3-Dihydro-1,3-dioxo-2H-isoindol-2-yl pentanoate (CAS 2020036-54-6)
- 2-[(4R)-4,5-Dihydro-4-(1-methylpropyl)-2-oxazolyl]pyridine (CAS 242482-27-5)
- Ethyl 1,3-dihydro-1,3-dioxo-2H-isoindole-2-propanoate (CAS 4561-06-2)
- Ethyl 3,6-dihydro-2H-[1,4]dioxino[2,3-f]indole-7-carboxylate (CAS 84139-04-8)
- 2-(2,3-Dihydro-1-benzofuran-5-yl)-1,3-thiazole-5-carboxylic acid (CAS 1157331-90-2)
Recommended Standards
- Rivaroxaban Impurity 85 (CAS 1218777-30-0)
- 3-(6-Bromohexyl)thiophene (CAS 125878-91-3)
- 2,4-Diethoxy-1,3-difluoro-5-nitrobenzene (CAS 1208076-37-2)
- [(2-{[2-(1H-Indol-3-yl)ethyl]amino}-2-oxoethyl)-(phenyl)amino]acetic acid (CAS 1142204-71-4)
- Cobalt oxalate (CAS 134761-87-8)
- 5-Oxo-1-(1,3,4-thiadiazol-2-yl)pyrrolidine-3-carboxylic acid (CAS 944643-58-7)
- 8-(Ethylsulfonyl)quinoline (CAS 103646-26-0)
- ethyl 5-amino-1-methyl-imidazole-4-carboxylate (CAS 54147-04-5)
- 5-((Butylthio)methyl)isoxazol-3(2H)-one (CAS 89660-66-2)
- Semaglutide Impurity 163 (x TFA Salt) (CAS CATO-C4X-2226163)
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