1,3-Dimethyl 2-{4-[methyl(phenyl)sulfamoyl]-2-nitrophenyl}propanedioate CAS 860785-56-4
| CAS No. | 860785-56-4 |
| Molecular Formula | C18H18N2O8S |
| Molecular Weight | 422.41 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
CATO supplies 1,3-Dimethyl 2-{4-[methyl(phenyl)sulfamoyl]-2-nitrophenyl}propanedioate (CAS 860785-56-4), a certified reference material (molecular formula C18H18N2O8S, MW 422.41 g/mol) for analytical method development and quality control.
Based on its molecular formula C18H18N2O8S, 1,3-Dimethyl 2-{4-[methyl(phenyl)sulfamoyl]-2-nitrophenyl}propanedioate 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 422.41 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.
Physical & Chemical Properties
| Molecular Formula | C18H18N2O8S |
| Molecular Weight | 422.41 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Dimethyl Standards
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Recommended Standards
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- 1-Methyl-N-((3-methylthiophen-2-yl)methyl)-1H-tetrazol-5-amine (CAS 894859-28-0)
- 2-Amino-1-(2,6-dimethylmorpholin-4-yl)-2-phenylethan-1-one hydrochloride, mixture of diastereomers (CAS 1214808-81-7)
- 2-Chloro-N-ethylpropanamide (CAS 67791-81-5)
- 2,2-Dimethoxy-1-thia-2-silacyclopentane (CAS 26903-85-5)
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