2,3-Dihydro-2-(3-nitrophenyl)-4H-1,3-benzoxazin-4-one CAS 293326-06-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 293326-06-4 |
| Molecular Formula | C14H10N2O4 |
| Molecular Weight | 270.24 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 2,3-Dihydro-2-(3-nitrophenyl)-4H-1,3-benzoxazin-4-one (CAS 293326-06-4), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C14H10N2O4. Molecular weight: 270.24 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C14H10N2O4 |
| Molecular Weight | 270.24 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 DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 2 |
Related Dihydro Standards
- (3R)-2,3-Dihydro-7-hydroxy-3-[(4-hydroxyphenyl)methyl]-4H-1-benzopyran-4-one (CAS 1178893-64-5)
- 3-((2,3-Dihydro-1h-inden-5-yl)oxy)-5-nitroaniline (CAS 310451-89-9)
- 4-(3,4-Dihydro-2H-benzo[b][1,4]dioxepin-7-yl)benzoic acid (CAS 952183-13-0)
- Methyl 2-(2,3-dihydro-1,4-benzodioxin-6-yl) benzoate (CAS 893736-68-0)
- Methyl 3-(2,3-dihydro-1,4-benzodioxin-6-yl) benzoate (CAS 893737-40-1)
- 1,6-Dihydro-5-(2-hydroxyphenyl)-3-propyl-7H-pyrazolo[4,3-d]pyrimidin-7-one 1159977-45-3 5-(2-Hydroxyphenyl)-1,6-dihydro-3-propyl-7H-pyrazolo[4,3-d]pyrimidin-7-one 5-(2-Hydroxyphenyl)-3-propyl-1,6-dihydro-7H-pyrazolo[4,3-d]pyrimidin-7-one (CAS 1159977-45-3)
- 3-(3,4-dihydro-2H-1,5-benzodioxepine-7-sulfinyl)propanoic acid (CAS 1333887-32-3)
- 1-(2,3-Dihydro-1,4-benzodioxine-6-sulfonyl)azetidin-3-amine (CAS 1423028-22-1)
Recommended Standards
- 2,2'-(Diazene-1,2-diyl)dibenzoic acid (CAS 635-54-1)
- 2,5-Diamino-1,8-dihydroxyanthracene-9,10-dione (CAS 29706-46-5)
- 2,2'-((3-(2,5-Dioxo-2,5-dihydro-1H-pyrrol-1-yl)propyl)azanediyl)diacetic acid (CAS 207613-06-7)
- 3-Bromo-4-(tert-butoxy)-5-cyclopropoxypyridine (CAS 1243371-30-3)
- 3,5-Dimethyl-4-nitroso-1-phenyl-1H-pyrazole (CAS 715-99-1)
- 2,4-Dibromo-5-chloroaniline (CAS 89379-50-0)
- 1-(2,2,2-Trifluoro-N-phenylethanimidate)-D-glucopyranuronic Acid Methyl Ester 2,3,4-Triacetate (CAS 869996-05-4)
- 2-(Difluoromethyl)-5-iodo-4-methoxypyridine-3-carboxylic acid (CAS 1805508-00-2)
- N-(4-(4-methylpiperazin-1-yl)phenyl)pentanamide (CAS 303150-67-6)
- Semaglutide impurity 266 (CAS CATO-C4X-2226266)
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