Methyl 3-(2-methoxy-5-methylphenyl)benzoate CAS 1820734-67-5
| CAS No. | 1820734-67-5 |
| Molecular Formula | C16H16O3 |
| Molecular Weight | 256.30 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Methyl 3-(2-methoxy-5-methylphenyl)benzoate (CAS 1820734-67-5) is a high-purity analytical reference standard with the molecular formula C16H16O3 and a molecular weight of 256.30 g/mol.
Based on its molecular formula C16H16O3, Methyl 3-(2-methoxy-5-methylphenyl)benzoate contains a carboxylic acid group, a hydroxyl group, an ether linkage, a polycyclic aromatic system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 256.30 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.
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 | C16H16O3 |
| Molecular Weight | 256.30 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1995 |
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Recommended Standards
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- 3-Chloro-6-methoxy-1H-pyrrolo[2,3-b]pyridine (CAS 1190310-70-3)
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- (R)-3-((4-chlorophenyl)thio)-1,1,1-trifluoropropan-2-ol (CAS 477762-51-9)
- Semaglutide impurity 205 (CAS CATO-C4X-2226205)
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