Methyl 4-(benzyloxy)-2-methylbenzoate CAS 175153-40-9
| CAS No. | 175153-40-9 |
| Molecular Formula | C16H16O3 |
| Molecular Weight | 256.30 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.
Methyl 4-(benzyloxy)-2-methylbenzoate (CAS 175153-40-9), molecular formula C16H16O3 and molecular weight 256.30 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a carboxylic acid group, a hydroxyl group, an ether linkage, a polycyclic aromatic system, Methyl 4-(benzyloxy)-2-methylbenzoate is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 256.30 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
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.) | 2007 |
Related Methyl Standards
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- Methyl 4-(benzyloxy)-3-methylbenzoate (CAS 1439364-88-1)
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Recommended Standards
- N-Benzyl-N'-(4,6-dimethylpyridazin-3-yl)formohydrazide (CAS 17258-16-1)
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- 6-(3-Aminopyrrolidin-1-yl)-2-phenylpyridazin-3(2H)-one (CAS 1710674-80-8)
- 2-{[(tert-butoxy)carbonyl]amino}-6-cyanohexanoic acid (CAS 177031-12-8)
- 3-[(4-Methoxyphenyl)methyl]azetidine hydrochloride (CAS 937612-77-6)
- (6S,9S,12S)-2,2,6,9,12-Pentamethyl-4,7,10-trioxo-3-oxa-5,8,11-triazatridecan-13-oic acid (CAS 27317-70-0)
- 2-(1-Benzyl-3,5-dimethyl-1H-pyrazole-4-carbonyl)cyclohexane-1,3-dione (CAS 1344687-68-8)
- 4-Amino-3-methyl-1h-pyrazole-1-acetonitrile (CAS 1428776-36-6)
- ethyl 2-amino-4-(trifluoromethyl)thiophene-3-carboxylate (CAS 917909-56-9)
- 2-Amino-5-(4-bromobenzylidene)thiazol-4(5H)-one (CAS 78659-70-8)
- 5-Methyl-1H-imidazole-2-carboxylic acid hydrochloride (CAS 1955547-78-0)
- N-(3-((2-((4-(4-Methylpiperazin-1-yl)phenyl)amino)thieno[3,2-d]pyrimidin-4-yl)oxy)phenyl)acrylamide dihydrochloride (CAS 1842366-97-5)
- 4,4-Dimethyl-2-(piperidin-2-yl)pentan-1-amine (CAS 1306606-01-8)
- Tirzepatide Impurity 44 (CAS CATO-C4X-324044)
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