3-(3-Nitrophenyl)-2-propenoic Acid 2-[Methyl(tetrahydro-1,1-dioxido-3-thienyl)amino]-2-oxoethyl Ester CAS 749872-43-3
| CAS No. | 749872-43-3 |
| Molecular Formula | C16H18N2O7S |
| Molecular Weight | 382.39 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 382.39 g/mol gives 3-(3-Nitrophenyl)-2-propenoic Acid 2-[Methyl(tetrahydro-1,1-dioxido-3-thienyl)amino]-2-oxoethyl Ester distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
3-(3-Nitrophenyl)-2-propenoic Acid 2-[Methyl(tetrahydro-1,1-dioxido-3-thienyl)amino]-2-oxoethyl Ester (CAS 749872-43-3), molecular formula C16H18N2O7S and molecular weight 382.39 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C16H18N2O7S, 3-(3-Nitrophenyl)-2-propenoic Acid 2-[Methyl(tetrahydro-1,1-dioxido-3-thienyl)amino]-2-oxoethyl Ester 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 382.39 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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 | C16H18N2O7S |
| Molecular Weight | 382.39 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1986 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
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Recommended Standards
- 3-([1,1'-Biphenyl]-4-yl(phenyl)phosphino)benzoic acid (CAS 62350-80-5)
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- 2-(tert-Butyl)phenyl diphenyl phosphate (CAS 83242-23-3)
- Tert-Butylphenyl Diphenyl Phosphate (CAS 56803-37-3)
- 5-((2-(Diethylamino)ethyl)thio)-1,3-dimethyl-6-propylpyrido[2,3-d]pyrimidine-2,4(1H,3H)-dione (CAS 900004-79-7)
- 2,4,6-Tris(trifluoromethyl)benzoic acid (CAS 25753-26-8)
- 2-Bromo-5-methoxy-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine (CAS 2096334-49-3)
- Ethyl 6-(trifluoromethyl)nicotinate (CAS 597532-36-0)
- 4-Chloro-N-(1-methyl-1H-indazol-3-yl)butanamide (CAS 1427460-97-6)
- {[4-(Benzyloxy)phenyl]methyl}(diphenylmethyl)amine (CAS 774193-22-5)
- (R)-tert-Butyl 2-(fluoromethyl)-5-oxopyrrolidine-1-carboxylate (CAS 1412817-00-5)
- Heptadecan-9-amine (CAS 3241-20-1)
- 3-Bromo-4-propoxybenzaldehyde (CAS 865138-64-3)
- Acetyl Tetrapeptide-11 (CAS 928006-88-6)
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