5-(2-Hydroxy-6-oxo-cyclohex-1-enecarbonyl)-2-methanesulfonyl-4-oxazol-2-yl-benzonitrile CAS 1231559-71-9
| CAS No. | 1231559-71-9 |
| Molecular Formula | C18H14N2O6S |
| Molecular Weight | 386.38 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 386.38 g/mol gives 5-(2-Hydroxy-6-oxo-cyclohex-1-enecarbonyl)-2-methanesulfonyl-4-oxazol-2-yl-benzonitrile distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
5-(2-Hydroxy-6-oxo-cyclohex-1-enecarbonyl)-2-methanesulfonyl-4-oxazol-2-yl-benzonitrile (CAS 1231559-71-9), molecular formula C18H14N2O6S and molecular weight 386.38 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C18H14N2O6S, 5-(2-Hydroxy-6-oxo-cyclohex-1-enecarbonyl)-2-methanesulfonyl-4-oxazol-2-yl-benzonitrile contains a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 386.38 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).
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
CATO manufactures 5-(2-Hydroxy-6-oxo-cyclohex-1-enecarbonyl)-2-methanesulfonyl-4-oxazol-2-yl-benzonitrile under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C18H14N2O6S |
| Molecular Weight | 386.38 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Hydroxy Standards
- 5-(1-Ethyl-5-hydroxy-1H-pyrazole-4-carbonyl)-4-methanesulfonyl-2-oxazol-2-yl-benzonitrile (CAS 1231643-51-8)
- 2-(4-Hydroxy-7-(phenylsulfonyl)isoquinoline-3-carboxamido)acetic acid (CAS 808118-93-6)
- 4-((17-Hydroxy-3,6,9,12,15-pentaoxaheptadecyl)oxy)benzaldehyde (CAS 191984-39-1)
- 4'-((7-Hydroxy-5-propylpyrazolo[1,5-a]pyrimidin-6-yl)methyl)-[1,1'-biphenyl]-2-carboxamide (CAS 167375-27-1)
- 6ß-Hydroxy Norgestimate (CAS 108434-19-1)
- 3-Hydroxy-5,5-dimethyl-2-(((4-(naphthalen-2-yloxy)phenyl)imino)methyl)cyclohex-2-en-1-one (CAS 1020252-64-5)
- N-(8-Hydroxy-6-phenoxy-2-phenylhexahydropyrano[3,2-d][1,3]dioxin-7-yl)acetamide (CAS 1093408-07-1)
- Methyl 4-((7-hydroxy-5-((methoxycarbonyl)amino)-1H-pyrazolo[4,3-d]pyrimidin-1-yl)methyl)-3-methoxybenzoate (CAS 2410517-87-0)
Recommended Standards
- ((3aR,4R,6R,6aR)-6-(6-amino-9H-purin-9-yl)-2,2-dimethyltetrahydrofuro[3,4-d][1,3]dioxol-4-yl)methyl sulfamate (CAS 112921-00-3)
- 4-((3-(4-Carboxybenzyl)-2,4-dioxothiazolidin-5-yl)amino)benzoic acid (CAS 1008710-58-4)
- 2-[(3-Fluoro-4-methoxyphenyl)methyl]-4-(5-methyl-1,2,4-oxadiazol-3-yl)-1H,2H,3H,5H,6H,7H,8H-pyrido[1,2-c]pyrimidine-1,3-dione (CAS 1775429-24-7)
- N-Methyl-2-oxo-N-phenyl-1-{[4-(trifluoromethyl)phenyl]methyl}-1,2-dihydropyridine-3-carboxamide (CAS 338781-63-8)
- 3-Bromo-5-(chlorosulfonyl)-4-methylbenzoic acid (CAS 1394042-66-0)
- N-(3,4-Dimethylphenyl)-2-((4-ethyl-5-(pyridin-2-yl)-4H-1,2,4-triazol-3-yl)thio)acetamide (CAS 618415-94-4)
- 2-Ethoxy-6-isobutoxypyrimidin-4-amine (CAS 91141-32-1)
- 5-(tert-Butyl)-1-indanone (CAS 4600-86-6)
- 6-(Heptylthio)-7H-purine (CAS 83277-80-9)
- (2-Phenyl-2H-1,2,3-triazol-4-yl)(4-(6-(piperidin-1-yl)pyrimidin-4-yl)piperazin-1-yl)methanone (CAS 1207004-27-0)
- 3-(Furan-2-yl)-2-thioxopropanoic acid (CAS 4066-13-1)
- 4-(7-Chloroheptanoyl)benzonitrile (CAS 898786-22-6)
- 3-Formylphenyl 3-methylbenzoate (CAS 443671-32-7)
- Calcitonin C-Terminal Flanking Peptide (human) XTFA (CAS 85916-47-8（free base）)
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