Methyl 4,5-dimethoxy-2-(3-tosylureido)benzoate CAS 351163-72-9
| CAS No. | 351163-72-9 |
| Molecular Formula | C18H20N2O7S |
| Molecular Weight | 408.43 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of Methyl 4,5-dimethoxy-2-(3-tosylureido)benzoate is closely related to a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
Methyl 4,5-dimethoxy-2-(3-tosylureido)benzoate (CAS 351163-72-9), molecular formula C18H20N2O7S and molecular weight 408.43 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C18H20N2O7S, Methyl 4,5-dimethoxy-2-(3-tosylureido)benzoate 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 408.43 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures Methyl 4,5-dimethoxy-2-(3-tosylureido)benzoate 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 | C18H20N2O7S |
| Molecular Weight | 408.43 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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
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- 1,3,5-Trichloro-2,4-dinitrobenzene (CAS 6284-83-9)
- 2,3-Dihydroimidazo[1,2-a]pyrazine (CAS 6664-41-1)
- 2,4-Diiodo-5-(trifluoromethyl)phenol (CAS 1440526-46-4)
- Insulin Degludec Impurity 1 (CAS 843666-26-2)
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