7-(Difluoro-methanesulfonyl)-1H-quinoxalin-2-one CAS 1443288-83-2
| CAS No. | 1443288-83-2 |
| Molecular Formula | C9H6F2N2O3S |
| Molecular Weight | 260.22 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 7-(Difluoro-methanesulfonyl)-1H-quinoxalin-2-one.
CATO supplies 7-(Difluoro-methanesulfonyl)-1H-quinoxalin-2-one (CAS 1443288-83-2), a certified reference material (molecular formula C9H6F2N2O3S, MW 260.22 g/mol) for analytical method development and quality control.
Structurally, 7-(Difluoro-methanesulfonyl)-1H-quinoxalin-2-one (C9H6F2N2O3S) contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage, fluorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 7.0, corresponding to approximately 7 ring(s) or double-bond equivalent(s). With a molecular weight of 260.22 g/mol, it falls into the medium-molecular-weight range. 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 7-(Difluoro-methanesulfonyl)-1H-quinoxalin-2-one 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 | C9H6F2N2O3S |
| Molecular Weight | 260.22 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.) | 1992 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Difluoro Standards
- 2,5-Difluoro-n-(4h-1,2,4-triazol-3-yl)benzenesulfonamide (CAS 1284881-94-2)
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- Ethyl 2-(7,7-difluoro-6-methyl-4-oxobicyclo[4.1.0]heptan-3-yl)-2-oxoacetate (CAS 1557248-42-6)
- Ethyl 2-(1,1-difluoro-6-oxospiro[2.5]Octan-5-yl)-2-oxoacetate (CAS 2060591-41-3)
- 5,6-Difluoro-2-(2-methoxyphenyl)-1H-benzo[d]imidazole (CAS 1266751-87-4)
- 2,2-Difluoro-1,3-diphenylpropane-1,3-dione (CAS 365-00-4)
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Recommended Standards
- N-(2-fluoro-5-nitrophenyl)benzamide (CAS 144205-37-8)
- 2-(2-Nitrobenzenesulfonamido)acetic acid (CAS 15054-42-9)
- 3-(3-Carboxyphenyl)-2-fluorobenzoic acid (CAS 1381944-58-6)
- 15054-44-1 ([(4-Nitrophenyl)sulfonyl]amino)acetic acid MFCD00441205 (CAS 15054-44-1)
- 3-(1H-Indol-3-yl)-2-(5-methylfuran-2-carboxamido)propanoic acid (CAS 360573-13-3)
- Thieno[3,2-c]pyridin-2-ylboronic acid (CAS 568582-98-9)
- 4-Chloro-2-(5-chlorothiophen-2-yl)-5,6-dimethylpyrimidine (CAS 1183779-56-7)
- (R)-2-Cyclobutylpropanoic acid (CAS 301187-01-9)
- 1-BRomo-4-methoxy-5-nitro-2-trifluoromethyl-benzene (CAS 2092929-95-6)
- Methyl 2-phenethyl-6-(phosphonooxy)benzoate (CAS 1171921-37-1)
- 2-{[4-(furan-2-ylmethyl)-5-(phenoxymethyl)-4h-1,2,4-triazol-3-yl]sulfanyl}acetic acid (CAS 498550-48-4)
- 4'-Bromo-1,1':2',1''-terphenyl (CAS 24253-40-5)
- 8-Chloro-5-methoxy-1,2,3,4-tetrahydroquinoline (CAS 1251235-58-1)
- Semaglutide Impurity 9 (CAS CATO-C4X-22269)
Why CATO?
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