4-(3-Oxo-2,3-dihydro-4H-benzo[b][1,4]oxazin-4-yl)butanoic acid CAS 879040-95-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 879040-95-6 |
| Molecular Formula | C12H13NO4 |
| Molecular Weight | 235.24 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-(3-Oxo-2,3-dihydro-4H-benzo[b][1,4]oxazin-4-yl)butanoic acid (CAS 879040-95-6) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C12H13NO4. Molecular weight: 235.24 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C12H13NO4 |
| Molecular Weight | 235.24 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| 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.) | 1987 |
| Nitrogen Atoms | 1 |
Related Oxo Standards
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- 2-(3-Oxo-2,3-dihydro-4H-1,4-benzoxazin-4-yl)-butanoic acid (CAS 899710-23-7)
- 4-(3,4-Dihydro-2h-1,4-benzoxazin-4-yl)-4-oxobutanoic acid (CAS 897765-68-3)
- 3-(2,3-dihydro-1,4-benzodioxin-6-yl)-1H-1,2,4-triazole-5-thiol (CAS 1094769-92-2)
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Recommended Standards
- 4-(3-Methoxyphenyl)-2-oxopyrrolidine-3-carboxylic acid (CAS 927802-25-3)
- 4-(3-Oxo-4-morpholinyl)benzeneacetic acid (CAS 742073-23-0)
- 4-(3,4-Dimethoxyphenyl)-5-methyl-4H-1,2,4-triazol-3-ol (CAS 860787-33-3)
- 1-(Acetylglycyl)piperidine-3-carboxylic acid (CAS 1016887-34-5)
- 3-Cyclopropoxy-5-formylpicolinic acid (CAS 1243344-85-5)
- 2-(4-(4-Fluorophenyl)piperazin-1-yl)-N-(2-methoxy-5-nitrophenyl)acetamide (CAS 882749-43-1)
- Dichlorprop D6 (ring D3, 3,3,3 D3) (CAS CATO-CCPD102101)
- Tert-butyl (3R,5S)-3-methyl-5-(pyridin-3-yl)piperazine-1-carboxylate (CAS 1557288-59-1)
- N-(3,4-difluorophenyl)-3-nitrobenzamide (CAS 346723-48-6)
- Semaglutide impurity 01 (CAS 1998701-31-7)
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