1-[(E)-2-(4-Chlorophenyl)ethenyl]-3-[(2-methoxyphenyl)methyl]urea CAS 338413-52-8
| CAS No. | 338413-52-8 |
| Molecular Formula | C17H17ClN2O2 |
| Molecular Weight | 316.78 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 1-[(E)-2-(4-Chlorophenyl)ethenyl]-3-[(2-methoxyphenyl)methyl]urea (C17H17ClN2O2) contains a steroid core, an amide group, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 10.0, corresponding to approximately 10 ring(s) or double-bond equivalent(s). With a molecular weight of 316.78 g/mol, it falls into the moderately-high-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
1-[(E)-2-(4-Chlorophenyl)ethenyl]-3-[(2-methoxyphenyl)methyl]urea (CAS 338413-52-8), molecular formula C17H17ClN2O2 and molecular weight 316.78 g/mol, is a CATO reference standard with documented purity and traceability.
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 | C17H17ClN2O2 |
| Molecular Weight | 316.78 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
Related E Standards
- 4-((4-Chlorophenyl)sulfonyl)-3-methylthiophene-2-carboxylic acid (CAS 175137-65-2)
- 1-[(E)-2-(2-Chlorophenyl)ethenyl]-3-[(2-methoxyphenyl)methyl]urea (CAS 400082-43-1)
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Recommended Standards
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