[3-(4-fluorophenyl)isoxazol-5-yl]methanesulfonyl chloride CAS 1087792-33-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1087792-33-3 |
| Molecular Formula | C10H7ClFNO3S |
| Molecular Weight | 275.68 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
[3-(4-fluorophenyl)isoxazol-5-yl]methanesulfonyl chloride (CAS 1087792-33-3) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C10H7ClFNO3S. Molecular weight: 275.68 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C10H7ClFNO3S |
| Molecular Weight | 275.68 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.) | 1989 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
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Recommended Standards
- 1-Methyl-2,4-dioxo-2,4-dihydro-1H-3,1-benzoxazine-6-sulfonyl chloride (CAS 90225-15-3)
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- (1Z,3Z)-1,3-Bis(((S)-4-benzyl-4,5-dihydrooxazol-2-yl)methylene)isoindoline (CAS 2760890-70-6)
- Isodecyl isotridecyl phthalate Solution (CAS 85168-77-0)
- 2-(3-(Benzyloxy)-2-methylphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 2377606-95-4)
- Adamantane Impurity 6 (CAS 121768-37-4)
- 4-(1-Aminoethyl)hepta-1,6-dien-4-ol (CAS 315248-78-3)
- Sugammadex Impurity 26 (CAS CATO-C4X-190626)
- Semaglutide impurity 268 (CAS CATO-C4X-2226268)
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