2,4-dioxo-2,4-dihydro-1H-3,1-benzoxazine-6-sulfonyl chloride CAS 74171-22-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 74171-22-5 |
| Molecular Formula | C8H4ClNO5S |
| Molecular Weight | 261.64 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2,4-dioxo-2,4-dihydro-1H-3,1-benzoxazine-6-sulfonyl chloride (CAS 74171-22-5) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C8H4ClNO5S. Molecular weight: 261.64 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C8H4ClNO5S |
| Molecular Weight | 261.64 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation |
| 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1978 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
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Recommended Standards
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- ethyl 2-chloro-3,3,3-trifluoro-2-(propionylamino)propanoate (CAS 328270-31-1)
- Methyl 2-(3-chloroquinoxalin-2-yl)-2-cyanoacetate (CAS 10176-23-5)
- 4-(Hydroxymethyl)azepan-4-ol (CAS 884586-69-0)
- 4-Hydroxy Leucine (CAS 104302-37-6)
- 6-Guanidinonaltrindole Ditrifluoroacetate (CAS 350800-03-2)
- 4-(1-methyl-1H-pyrazol-4-yl)-4-oxobut-2-enoic acid (CAS 1807920-17-7)
- Isobergapten (CAS 482-48-4)
- 1-(1-Bromo-3-chloropropyl)-4-chlorobenzene (CAS 745817-23-6)
- Semaglutide impurity 86 (CAS CATO-C4X-222686)
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