1-(Benzo[d]isoxazol-3-yl)ethanone CAS 75290-76-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 75290-76-5 |
| Molecular Formula | C9H7NO2 |
| Molecular Weight | 161.16 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Description
1-(Benzo[d]isoxazol-3-yl)ethanone (CAS 75290-76-5) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C9H7NO2. Molecular weight: 161.16 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C9H7NO2 |
| Molecular Weight | 161.16 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 methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1978 |
| Nitrogen Atoms | 1 |
Recommended Standards
- 1-(3H-Imidazo[4,5-b]pyridin-3-yl)ethanone (CAS 70740-26-0)
- 1-(Furo[2,3-b]pyridin-5-yl)ethan-1-one (CAS 220957-41-5)
- 1-(3-Cyanophenyl)urea (CAS 724441-29-6)
- 1-Amino-2-methoxy-4-(thiazol-2-ylamino)anthracene-9,10-dione (CAS 62593-07-1)
- 2-Methyl-5-(piperazin-1-yl)pyrimidine bis(2,2,2-trifluoroacetate) (CAS 1956319-90-6)
- 6-Bromo-3-ethyl-1H-indole (CAS 1360945-68-1)
- 2,4-Dioxopentan-3-yl acetate (CAS 18632-38-7)
- 8-Chloro-5-nitro-1,2,3,4-tetrahydroquinoline (CAS 1421603-43-1)
- N-(2,6-Difluorophenyl)-N-methylthiourea (CAS 454229-34-6)
- Copper Peptide ·2 acetate salt (CAS 130120-57-9)
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