5-(3-Methylisoxazol-5-yl)thiophene-2-sulfonyl chloride CAS 1282218-14-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1282218-14-7 |
| Molecular Formula | C8H6ClNO3S2 |
| Molecular Weight | 263.72 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-(3-Methylisoxazol-5-yl)thiophene-2-sulfonyl chloride (CAS 1282218-14-7) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C8H6ClNO3S2. Molecular weight: 263.72 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C8H6ClNO3S2 |
| Molecular Weight | 263.72 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 Methylisoxazol Standards
- 4-(3-Methylisoxazol-5-yl)thiophene-2-sulfonyl chloride (CAS 1245568-69-7)
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Recommended Standards
- 2-Chloro-n-[2-(1-phenyl-1h-pyrazol-4-yl)ethyl]acetamide (CAS 1269151-14-5)
- 5-(Isoxazol-5-yl)-2-methylthiophene-3-sulfonyl chloride (CAS 1282484-31-4)
- 6-Chloro-N-[(4-methoxyphenyl)methyl]-2-methylpyrimidin-4-amine (CAS 1253574-21-8)
- 1-(2-Methoxyphenyl)-3-phenyl-1H-pyrazole-5-carboxylic acid (CAS 618102-04-8)
- 4-Methoxy-N-(2-((4-phenylpiperazin-1-yl)sulfonyl)ethyl)benzamide (CAS 899979-61-4)
- 1-Methyl-3-azabicyclo[3.1.0]hexane-3-sulfonyl chloride (CAS 2754410-61-0)
- 2-(1H-Imidazol-1-yl)-2-oxoacetohydrazide (CAS 501662-19-7)
- 2-Chloro-6-(difluoromethyl)phenol (CAS 1261440-82-7)
- N-(4-Aminophenyl)-2-(2-methylphenoxy)propanamide (CAS 954271-80-8)
- FMRF Amide Related Peptide. (CAS 149471-12-5)
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