4-Ethynyl-1,4-dihydro-8-methyl-1-[(4-methylphenyl)sulfonyl]-2H-3,1-benzoxazin-2-one CAS 2005451-25-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 2005451-25-0 |
| Molecular Formula | C18H15NO4S |
| Molecular Weight | 341.38 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Ethynyl-1,4-dihydro-8-methyl-1-[(4-methylphenyl)sulfonyl]-2H-3,1-benzoxazin-2-one (CAS 2005451-25-0) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C18H15NO4S. Molecular weight: 341.38 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C18H15NO4S |
| Molecular Weight | 341.38 g/mol |
| 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 |
| Degree of Unsaturation (DBE) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1996 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Ethynyl Standards
- 4-Ethynyl-1,4-dihydro-5-methyl-1-[(4-methylphenyl)sulfonyl]-2H-3,1-benzoxazin-2-one (CAS 2236555-88-5)
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Recommended Standards
- 4-(Naphthalene-2-sulfonamidomethyl)benzoic acid (CAS 208176-29-8)
- 4-Methyl-N-[3-(pyrazin-2-yloxy)phenyl]benzene-1-sulfonamide (CAS 866157-04-2)
- 4-(4-Methoxyphenyl)-N-(2-methyl-4-nitrophenyl)thiazol-2-amine (CAS 685108-64-9)
- Methyl 2,3,4-tri-O-benzyl-6-O-trityl-a-D-mannopyranoside (CAS 40653-13-2)
- 5-chloro-1-(3-ethoxypropyl)-1H-1,3-benzodiazole-2-carbaldehyde (CAS 1437435-52-3)
- 4-Amino-1-(2-Deoxy-2-Fluoro-beta-D-Arabinofuranosyl)-5-Ethyl-2(1H)-Pyrimidinone (CAS 95740-17-3)
- 1-[2-(4-nitrophenyl)ethyl]-2,5-dihydro-1h-pyrrole-2,5-dione (CAS 1292476-04-0)
- 1-(2,4-Dimethylthiazol-5-yl)-2-(pyrrolidin-2-yl)ethan-1-one (CAS 1531061-03-6)
- 4-Ethyl-2-nitrophenol (CAS 56520-98-0)
- Semaglutide impurity 32 (CAS CATO-C4X-222632)
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