Thieno[3,2-c]isoxazole-3-carbaldehyde CAS 339363-57-4
| CAS No. | 339363-57-4 |
| Molecular Formula | C6H3NO2S |
| Molecular Weight | 153.16 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), Thieno[3,2-c]isoxazole-3-carbaldehyde meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Thieno[3,2-c]isoxazole-3-carbaldehyde (CAS 339363-57-4) is a high-purity analytical reference standard with the molecular formula C6H3NO2S and a molecular weight of 153.16 g/mol.
Based on its molecular formula C6H3NO2S, Thieno[3,2-c]isoxazole-3-carbaldehyde contains an amide group, a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 153.16 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
Physical & Chemical Properties
| Molecular Formula | C6H3NO2S |
| Molecular Weight | 153.16 g/mol |
| 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Thieno Standards
- Thieno[2,3-d][1,2,3]triazin-4(1H)-one (CAS 38371-44-7)
- (6H-Thieno[2,3-b]pyrrol-5-yl)methanol (CAS 126633-05-4)
- Thieno[3,2-b]furan-5-ylmethanamine (CAS 1334146-47-2)
- 4H-thieno[3,2-b]pyrrol-5-ylmethanol (CAS 878657-01-3)
- (4H-Thieno[3,2-b]pyrrol-2-yl)methanamine (CAS 1539122-53-6)
- Thieno[2,3-c]furan-4,6-dione (CAS 6007-83-6)
- 1H-Thieno[3,2-c]pyrazole-5-carbaldehyde (CAS 1529810-07-8)
- Thieno[3,2-d]pyrimidin-4(1H)-one (CAS 16285-68-0)
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- 3-(4-Bromophenyl)-1-methyl-5-phenylpyridazin-4(1H)-one (CAS 59591-36-5)
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