3-Ethynylbenzene-1-sulfonyl fluoride CAS 2138286-81-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 2138286-81-2 |
| Molecular Formula | C8H5FO2S |
| Molecular Weight | 184.19 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Order 3-Ethynylbenzene-1-sulfonyl fluoride (CAS 2138286-81-2) pharmaceutical standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C8H5FO2S. Molecular weight: 184.19 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C8H5FO2S |
| Molecular Weight | 184.19 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; 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.) | 1997 |
| Halogen Content | F-containing |
| Sulfur Atoms | 1 |
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Recommended Standards
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- (R)-1-(5,6,7,8-Tetrahydroimidazo[1,2-a]pyridin-2-yl)ethan-1-amine (CAS 2227746-24-7)
- Ethyl 3-chloro-4-((2,4-dichlorobenzyl)oxy)benzoate (CAS 1706451-71-9)
- Ethyl 2-(2-chlorobenzylidene)-3-oxobutanoate (CAS 15725-22-1)
- 4-Amino-7-((2R,3S,4R,5R)-3-bromo-4-hydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl)-7H-pyrrolo[2,3-d]pyrimidine-5-carbonitrile (CAS 127913-81-9)
- 1-Ethyl-4-iodo-2-methylbenzene (CAS 1369834-22-9)
- Methyl L-leucylglycinate (CAS 39622-13-4)
- Semaglutide impurity 71 (CAS CATO-C4X-222671)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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