4-Acetylbenzo[d]oxazol-2(3H)-one CAS 70735-79-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 70735-79-4 |
| Molecular Formula | C9H7NO3 |
| Molecular Weight | 177.16 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Acetylbenzo[d]oxazol-2(3H)-one (CAS 70735-79-4) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C9H7NO3. Molecular weight: 177.16 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C9H7NO3 |
| Molecular Weight | 177.16 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, 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.) | 1977 |
| Nitrogen Atoms | 1 |
Related Acetylbenzo Standards
- 3-Acetylbenzo[d]oxazol-2(3H)-one (CAS 24963-28-8)
- 5-Acetylbenzo[d]oxazol-2(3H)-one (CAS 54209-84-6)
- 6-Acetylbenzo[d]oxazol-2(3H)-one (CAS 54903-09-2)
- 2-Acetylbenzo[d]oxazole-5-carbonitrile (CAS 1509670-14-7)
- 2-Acetylbenzo[d]oxazole-6-carbonitrile (CAS 1516840-84-8)
- 2-Acetylbenzo[d]oxazole-7-carbonitrile (CAS 1520034-59-6)
- 2-Acetylbenzo[d]oxazole-5-carbaldehyde (CAS 1804501-95-8)
- 4-Acetylbenzo[d]oxazole-2-carbaldehyde (CAS 1806284-15-0)
Recommended Standards
- 4,8-Dihydroxyquinolin-2(1H)-one (CAS 27972-57-2)
- 4-Amino-1H-indazole-5-carboxylic acid (CAS 81115-63-1)
- 4,6-dioxa-10,12-diazatricyclo[7.3.0.0^{3,7}]dodeca-1(9),2,7,10-tetraen-11-amine (CAS 24370-21-6)
- (2R,3S)-3-Amino-2-hydroxyhexanoic acid (CAS 160801-75-2)
- (4AR,8aR)-rel-Decahydro-1-methyl-1,5-naphthyridine (CAS 381227-92-5)
- 2,6-Bis(chloromethyl)pyridine hydrochloride (CAS 55422-79-2)
- 3-(3-aminopropyl)aniline (CAS 332363-16-3)
- 6-(Aminomethyl)-4-cyclohexylmorpholin-3-one (CAS 1017347-62-4)
- Nicotinamide impurity 19 (CAS CATO-C4X-200019)
- 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