4-Hydroxy-2-methoxy-2H-benzo[b][1,4]oxazin-3(4H)-one CAS 55574-10-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 55574-10-2 |
| Molecular Formula | C9H9NO4 |
| Molecular Weight | 195.17 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 4-Hydroxy-2-methoxy-2H-benzo[b][1,4]oxazin-3(4H)-one (CAS 55574-10-2), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C9H9NO4. Molecular weight: 195.17 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C9H9NO4 |
| Molecular Weight | 195.17 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1972 |
| Nitrogen Atoms | 1 |
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Recommended Standards
- 4-EThoxy-2-nitro-benzaldehyde (CAS 99358-08-4)
- 4-Hydroxy-3-(methylcarbamoyl)benzoic acid (CAS 99358-15-3)
- 4-Carbamoyl-3-methoxybenzoic acid (CAS 773056-89-6)
- Terpineol mixture of isomers, anhydrous (CAS 1196157-69-3)
- 2085-33-8 8-Hydroxyquinoline aluminum salt Alq3 Alq3, Aluminum 8-hydroxyquinolinatt Aluminum 8-hydroxyquinolinate Aluminum oxinate Aluminum oxinate, Tris(8-hydroxyquinolinato)aluminium Tris-(8-hydroxyquinolinato)aluminum Tris-(8-hydroxyquinoline)aluminum (CAS 2085-33-8)
- 6-(Benzyloxy)-2-methylbenzofuran (CAS 94672-20-5)
- 2-oxa-9-azaspiro[5.5]undecane hydrochloride (CAS 1956370-88-9)
- 3-(3-Fluorophenyl)-4-methyl-5-(methylthio)-4H-1,2,4-triazole (CAS 144165-20-8)
- Adipic acid compound with 2-methylpropane-1,3-diol (1:1) (CAS 26702-65-8)
- Semaglutide-d5 (CAS CATO-C4X-2226153)
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