2-Methyl-5-(3-methylisoxazol-5-yl)thiophene-3-sulfonyl chloride CAS 1283341-02-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1283341-02-5 |
| Molecular Formula | C9H8ClNO3S2 |
| Molecular Weight | 277.75 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-Methyl-5-(3-methylisoxazol-5-yl)thiophene-3-sulfonyl chloride (CAS 1283341-02-5) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C9H8ClNO3S2. Molecular weight: 277.75 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C9H8ClNO3S2 |
| Molecular Weight | 277.75 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 2 |
Related Methyl Standards
- 1-(2-((5-Methylisoxazol-3-yl)amino)-2-oxoethyl)-2-oxo-1,2-dihydropyridine-3-carboxylic acid (CAS 1171917-18-2)
- (5-Methylisoxazol-4-yl)(4-(thiophen-2-yl)piperidin-1-yl)methanone (CAS 1428379-79-6)
- 2-((5-Methylisoxazol-3-yl)amino)-2-oxoethyl 3-methylthiophene-2-carboxylate (CAS 923753-61-1)
- N-(2-(3-Methylisoxazol-5-yl)ethyl)-1-naphthamide (CAS 1396845-23-0)
- N-((3-(5-Methylisoxazol-3-yl)-1,2,4-oxadiazol-5-yl)methyl)furan-2-carboxamide (CAS 2034505-09-2)
- 2-(5-Methylisoxazol-3-yl)-2-(3-methylisoxazol-5-yl)-1-phenylethanone (CAS 62759-34-6)
- N1-(5-Methylisoxazol-3-yl)-N2-(2-morpholinoethyl)oxalamide (CAS 899978-09-7)
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Recommended Standards
- 5-(3,4-Dimethylisoxazol-5-yl)thiophene-2-sulfonyl chloride (CAS 1279219-52-1)
- 2-(4-Acetyl-1,4-diazepan-1-yl)-4-chlorobenzonitrile (CAS 1285640-79-0)
- 4-(3,4-Dimethylisoxazol-5-yl)thiophene-2-sulfonyl chloride (CAS 1279219-03-2)
- Sodium 4,6-dimethyl-2-thioxo-2H-pyrimidin-1-ide (CAS 41840-27-1)
- Ethyl 3-amino-4-cyano-1H-pyrrole-2-carboxylate (CAS 1072097-09-6)
- Heptachlor (CAS 76-44-8)
- 1,1-dideuterio-1-deuteriooxy-ethane (CAS 22544-42-9)
- rel-(3R,4S)-3-Fluoro-4-methoxypyrrolidine-1-sulfonyl chloride (CAS 2754410-04-1)
- 3-Chloro-1-fluoroisoquinoline (CAS 1076-37-5)
- Peptide 431 (CAS CATO-CPTD788431)
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