4-Methoxyphenyl sulfofluoridate CAS 775-27-9
| CAS No. | 775-27-9 |
| Molecular Formula | C7H7FO4S |
| Molecular Weight | 206.19 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 206.19 g/mol gives 4-Methoxyphenyl sulfofluoridate distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
4-Methoxyphenyl sulfofluoridate (CAS 775-27-9), molecular formula C7H7FO4S and molecular weight 206.19 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine substitution, an aromatic ring system, 4-Methoxyphenyl sulfofluoridate is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 206.19 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C7H7FO4S |
| Molecular Weight | 206.19 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Halogen Content | F-containing |
| Sulfur Atoms | 1 |
Related Methoxyphenyl Standards
- 3-(3-Methoxyphenyl)dihydrofuran-2,5-dione (CAS 15378-03-7)
- 3-(4-Methoxyphenyl)dihydrofuran-2,5-dione (CAS 32856-59-0)
- 4-(3-Methoxyphenyl)-2-oxobut-3-enoic acid (CAS 65152-37-6)
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- 5-(3-methoxyphenyl)imidazolidine-2,4-dione (CAS 187978-81-0)
- [3-(2-methoxyphenyl)-1,2,4-oxadiazol-5-yl]methanol (CAS 926242-11-7)
- 1-(4-Methoxyphenyl)pyrazolidine-3,5-dione (CAS 591233-83-9)
- 3-(4-methoxyphenyl)imidazolidine-2,4-dione (CAS 62101-55-7)
Recommended Standards
- 4-Methoxy-3-methylbenzofuran-6-carboxylic acid (CAS 2691125-86-5)
- 5-(1,3-Dioxolan-2-yl)isobenzofuran-1(3H)-one (CAS 335168-62-2)
- 4-Methoxy-3-methylbenzofuran-2-carboxylic acid (CAS 3781-72-4)
- 5-(2,3-Difluorophenyl)pyridin-2-amine (CAS 875166-91-9)
- D-Threose- (CAS 70849-20-6)
- 2-chloro-4-[(2,4-dichlorobenzyl)oxy]-5-methoxybenzaldehyde (CAS 832677-96-0)
- 7-Bromo-4-chloro-1-benzofuran (CAS 325486-41-7)
- 4-[(2,2,2-trifluoroethane)sulfonyl]benzoic acid (CAS 1016827-86-3)
- 165739-71-9 8-Chloro-3-methoxy-11-(1-methyl-4-piperidinyl)-6,11-dihydro-5H-benzo[5,6]-cyclohepta[1,2-b]pyridin-11-ol 8-Chloro-6,11-dihydro-3-methoxy-11-(1-methyl-4-piperidinyl)-5H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ol (CAS 165739-71-9)
- 6-Chloro-4-hydroxy-5-phenylpyridin-2(1H)-one (CAS 32265-03-5)
- Methyl 4-(3-hydroxyphenyl)-6-methyl-2-oxo-1,2,3,4-tetrahydropyrimidine-5-carboxylate (CAS 301320-12-7)
- tert-Butyl (2-chloro-5-iodopyrimidin-4-yl)carbamate (CAS 1359655-47-2)
- 1-Amino-4-(o-tolylamino)anthracene-9,10-dione (CAS 54946-78-0)
- Semaglutide impurity 72 (CAS CATO-C4X-222672)
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