((2-Fluorophenyl)sulfonyl)-L-leucine CAS 1041437-98-2
| CAS No. | 1041437-98-2 |
| Molecular Formula | C12H16FNO4S |
| Molecular Weight | 289.32 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 289.32 g/mol gives ((2-Fluorophenyl)sulfonyl)-L-leucine distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
((2-Fluorophenyl)sulfonyl)-L-leucine (CAS 1041437-98-2), molecular formula C12H16FNO4S and molecular weight 289.32 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C12H16FNO4S, ((2-Fluorophenyl)sulfonyl)-L-leucine contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage, fluorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 289.32 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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.
As a certified reference material (CRM), ((2-Fluorophenyl)sulfonyl)-L-leucine meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C12H16FNO4S |
| Molecular Weight | 289.32 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, acetonitrile, DMSO, water (slightly soluble) |
| 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) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1988 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Fluorophenyl Standards
- ((3-Fluorophenyl)sulfonyl)-L-leucine (CAS 1103527-39-4)
- Methyl 4-[(4-fluorophenyl)(methylsulfonyl)amino]butanoate (CAS 1858251-25-8)
- ((4-Fluorophenyl)sulfonyl)leucine (CAS 251097-25-3)
- (2s)-2-((4-Fluorophenyl)sulfonamido)-3-methylpentanoic acid (CAS 97801-49-5)
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- 3-((4-Fluorophenyl)sulfonamido)-4-methylpentanoic acid (CAS 440646-74-2)
- 1-(4-(4-Fluorophenyl)piperazin-1-yl)-2-(1H-1,2,4-triazol-1-yl)ethan-1-one (CAS 866142-79-2)
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Recommended Standards
- 3-Me-Glutaryl Carnitine (CAS 102673-95-0)
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- 4,4'-((tert-Butoxycarbonyl)azanediyl)dibutyric acid (CAS 1204700-92-4)
- 1-(3,5-Difluorophenyl)-2,6,6-trimethyl-1,5,6,7-tetrahydro-4H-indol-4-one (CAS 1022324-58-8)
- 2-(1H-benzo[d][1,2,3]triazol-1-yl)-2-(9H-carbazol-9-yl)-1-phenylethan-1-one (CAS 124337-48-0)
- 6-(Methylsulfanyl)-4,5,7,9,13-pentaazapentacyclo[11.8.0.0^{3,11}.0^{4,8}.0^{16,21}]henicosa-3(11),5,7,9,16(21),17,19-heptaen-12-one (CAS 339012-07-6)
- (S)-Ranolazine (CAS 114246-81-0)
- (6-Methoxy-2,3-dihydro-1H-inden-5-yl)methanamine (CAS 879063-08-8)
- 3-Bromo-4,5-difluorobenzene-1,2-diamine (CAS 153505-35-2)
- Ethyl 7-oxo-2,6-diazaspiro[3.4]octane-5-carboxylate (CAS 2287260-07-3)
- (4-Methoxypyrimidin-2-yl)methanol (CAS 344353-70-4)
- 4-(Chloromethyl)-2-(4-chlorophenyl)-5-methyl-1,3-oxazole (CAS 832076-92-3)
- methyl 7H-pyrrolo[2,3-d]pyrimidine-5-carboxylate (CAS 1234615-76-9)
- C-telopeptide (CAS 162929-64-8)
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