Ethyl 6-(ethylsulfonyl)-4-(phenylsulfonyl)-3,4-dihydro-2H-benzo[b][1,4]oxazine-2-carboxylate CAS 866051-01-6
| CAS No. | 866051-01-6 |
| Molecular Formula | C19H21NO7S2 |
| Molecular Weight | 439.50 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 439.50 g/mol gives Ethyl 6-(ethylsulfonyl)-4-(phenylsulfonyl)-3,4-dihydro-2H-benzo[b][1,4]oxazine-2-carboxylate distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
Ethyl 6-(ethylsulfonyl)-4-(phenylsulfonyl)-3,4-dihydro-2H-benzo[b][1,4]oxazine-2-carboxylate (CAS 866051-01-6) is a high-purity analytical reference standard with the molecular formula C19H21NO7S2 and a molecular weight of 439.50 g/mol.
Ethyl 6-(ethylsulfonyl)-4-(phenylsulfonyl)-3,4-dihydro-2H-benzo[b][1,4]oxazine-2-carboxylate (C19H21NO7S2) contains a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage. The carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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.
As a certified reference material (CRM), Ethyl 6-(ethylsulfonyl)-4-(phenylsulfonyl)-3,4-dihydro-2H-benzo[b][1,4]oxazine-2-carboxylate 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 | C19H21NO7S2 |
| Molecular Weight | 439.50 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 2 |
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- 6-(Ethylsulfonyl)-4-(methylsulfonyl)-N-morpholino-3,4-dihydro-2H-benzo[b][1,4]oxazine-2-carboxamide (CAS 866134-39-6)
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- 6-(Ethylsulfonyl)-4-tosyl-3,4-dihydro-2H-benzo[b][1,4]oxazine-2-carboxylic acid (CAS 866051-08-3)
- 5-(Ethylsulfonyl)-2-(4-fluorophenyl)-4-((4-fluorophenyl)sulfonyl)oxazole (CAS 891021-42-4)
- 5-(1-(Ethylsulfonyl)piperidin-3-yl)-4-(4-methoxyphenethyl)-4H-1,2,4-triazole-3-thiol (CAS 932807-03-9)
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Recommended Standards
- 4-Fluoro-N-{1-[(3-methoxyphenyl)methyl]-5,6-dimethyl-1H-1,3-benzodiazol-4-yl}benzene-1-sulfonamide (CAS 338955-17-2)
- Fmoc-L-beta-homoglutamic acid 6-tert-butyl ester (CAS 203854-49-3)
- 4-Fluoro-N-(1-(4-methoxybenzyl)-5,6-dimethyl-1H-benzo[d]imidazol-4-yl)benzenesulfonamide (CAS 338954-90-8)
- Fmoc-N-Me-Glu-OtBu (CAS 2444356-83-4)
- 4,5-dihydroxy-2,3-dihydro-1H-isoindole-1,3-dione (CAS 153356-72-0)
- 2-Amino-1-(3-methoxypyrrolidin-1-yl)ethan-1-one (CAS 1353948-27-2)
- 1-(5-(2,5-Dimethyl-1H-pyrrol-1-yl)-1,3,4-thiadiazol-2-yl)piperidine-3-carboxylic acid (CAS 903174-30-1)
- 4-(4-Formylphenyl)butanoic acid (CAS 34162-05-5)
- Pentane-2,4-diyldibenzene (CAS 1145-23-9)
- 2-(3-Chloro-4-iodophenyl)-6-methylpyrazine (CAS 1648864-31-6)
- (2S)-2-Amino-3-[6-(Difluoromethyl)-1H-Indol-3-Yl]Propanoic Acid (CAS 131490-35-2)
- Benzonatate (CAS 104-31-4)
- 1,1＇-bi(cyclopentane) (CAS 1636-39-1)
- Semaglutide Impurity 160 (x TFA Salt) (CAS CATO-C4X-2226160)
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