[1,3]Dioxolo[4',5':3,4]benzo[1,2-c]isoxazole CAS 145578-66-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 145578-66-1 |
| Molecular Formula | C8H5NO3 |
| Molecular Weight | 163.13 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
[1,3]Dioxolo[4',5':3,4]benzo[1,2-c]isoxazole (CAS 145578-66-1) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C8H5NO3. Molecular weight: 163.13 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C8H5NO3 |
| Molecular Weight | 163.13 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, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1998 |
| Nitrogen Atoms | 1 |
Related Dioxolo Standards
- [1,3]Dioxolo[4',5':4,5]benzo[1,2-d]isoxazole (CAS 106253-12-7)
- [1,3]Dioxolo[4',5':3,4]benzo[1,2-d]isoxazole (CAS 106253-13-8)
- [1,3]Dioxolo[4',5':5,6]benzo[1,2-d]isoxazole (CAS 155181-15-0)
- [1,3]Dioxolo[4',5':5,6]benzo[1,2-c]isoxazole (CAS 158683-18-2)
- 4H-[1,3]Dioxolo[4',5':3,4]benzo[1,2-d]imidazole (CAS 104399-60-2)
- [1,3]Dioxolo[4,5-d]imidazo[1,5-a]pyridine (CAS 623945-74-4)
- [1,3]Dioxolo[4,5-e]benzofuran (CAS 65496-53-9)
- [1,3]Dioxolo[4,5-f]isobenzofuran (CAS 267-42-5)
Recommended Standards
- Furo[2,3-b]pyridine-3-carboxylic acid (CAS 1448336-30-8)
- 5-(Difluoromethoxy)-1-methyl-1H-pyrazol-3-amine (CAS 149978-55-2)
- (2E)-2-Cyano-3-(furan-3-yl)prop-2-enoic acid, E (CAS 1446140-97-1)
- Ethyl 5-bromo-4-hydroxy-8-(trifluoromethyl)quinoline-3-carboxylate (CAS 1065094-16-7)
- Calcimycin hemimagnesium (CAS 72124-77-7)
- N1-Ethyl-N2-((4-(2-methoxyphenyl)tetrahydro-2H-pyran-4-yl)methyl)oxalamide (CAS 1091111-82-8)
- tert-Butyl 4-(hydroxymethyl)-5-azaspiro[2.3]hexane-5-carboxylate (CAS 2810050-51-0)
- 2-Benzyl-6,7-dihydro-5H-pyrrolo-[3,4-d]pyrimidin-4-ol (CAS 1220038-67-4)
- (5-((4-Bromophenyl)thio)-1-methyl-3-(trifluoromethyl)-1H-pyrazol-4-yl)methyl acetate (CAS 318239-58-6)
- Des-Lys20(Side Chain)-Semaglutide (CAS CATO-C4X-2226280)
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