6-[(2-hydroxyethyl)sulfonyl]benzoxazol-2-(3h)-one CAS 5031-74-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 5031-74-3 |
| Molecular Formula | C9H9NO5S |
| Molecular Weight | 243.24 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
6-[(2-hydroxyethyl)sulfonyl]benzoxazol-2-(3h)-one (CAS 5031-74-3) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C9H9NO5S. Molecular weight: 243.24 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C9H9NO5S |
| Molecular Weight | 243.24 g/mol |
| 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.) | 1958 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
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Recommended Standards
- 6-(3-Fluorophenyl)-5-methyl-[1,2,4]triazolo[1,5-a]pyrimidin-7-amine (CAS 922187-06-2)
- 6-Amino-4-(4-fluorophenyl)-1-methyl-2-oxo-1,2-dihydropyridine-3-carbonitrile (CAS 733030-90-5)
- 5-Acetyl-4-amino-1-(4-fluorophenyl)-1H-pyrrole-3-carbonitrile (CAS 889997-40-4)
- 1-(4-Chlorophenyl)-5-oxopyrrolidine-3-carboxamide (CAS 60655-92-7)
- 1-(2-(3,5-Dimethylphenoxy)ethyl)-3-(4-fluorobenzyl)urea (CAS 1171017-10-9)
- Imidazo[5,1-b]thiazole-3-carboxylic acid hydrochloride (CAS 2137605-31-1)
- 4-(4-Methoxyphenyl)-2-(methylthio)pyrimidine (CAS 148990-17-4)
- 1-(3-Fluorophenyl)heptan-1-one (CAS 1248151-05-4)
- N-(4-methoxybenzyl)-1',4'-dihydro-3'H-spiro[piperidine-4,2'-quinoxalin]-3'-imine (CAS 1171093-63-2)
- Neuropeptide W-23 (human) (CAS 383415-79-0)
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