Introduction：Basic information about CAS 17695-48-6|4-Methyl-2-oxo-2H-chromen-7-yl palmitate, including its chemical name, molecular formula, synonyms, physicochemical properties, and safety information, etc.
| Common Name | 4-Methyl-2-oxo-2H-chromen-7-yl palmitate |
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| CAS Number | 17695-48-6 | Molecular Weight | 414.578 |
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| Density | 1.0±0.1 g/cm3 | Boiling Point | 535.2±45.0 °C at 760 mmHg |
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| Molecular Formula | C26H38O4 | Melting Point | 77ºC(lit.) |
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| MSDS | ChineseUSA | Flash Point | 261.8±27.1 °C |
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Names
| Name | Palmitic acid 4-methylumbelliferyl ester |
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| Synonym | More Synonyms |
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4-Methyl-2-oxo-2H-chromen-7-yl palmitate BiologicalActivity
| Description | 4-Methylumbelliferyl palmitate is an excellent fluorophore for measuring acid lipase in human leukocytes. Acidity and solvent have important influence on its fluorescence. 4-Methylumbelliferyl palmitate exists mainly as neutral molecular form which can be produced strong fluorescence at 445 nm in near neutral aqueous solutions, and exist mainly as anion form which can be produced stronger fluorescence at 445 nm in weak alkaline solutions[1][2]. |
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| Related Catalog | Signaling Pathways >>Others >>OthersResearch Areas >>Inflammation/Immunology |
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| References | [1]. Zhi H, et al. Fluorescent properties of hymecromone and fluorimetric analysis of hymecromone in compound dantong capsule. Journal of Spectroscopy, 2013, 2013. [2]. Dairaku T, et al. Nishimura M, Endo M, Ohashi T, Eto Y. A practical fluorometric assay method to measure lysosomal acid lipase activity in dried blood spots for the screening of cholesteryl ester storage disease and Wolman disease. Mol Genet Metab. 2014 Feb;111(2):193-6. |
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Chemical & Physical Properties
| Density | 1.0±0.1 g/cm3 |
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| Boiling Point | 535.2±45.0 °C at 760 mmHg |
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| Melting Point | 77ºC(lit.) |
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| Molecular Formula | C26H38O4 |
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| Molecular Weight | 414.578 |
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| Flash Point | 261.8±27.1 °C |
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| Exact Mass | 414.277008 |
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| PSA | 56.51000 |
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| LogP | 9.30 |
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| Vapour Pressure | 0.0±1.4 mmHg at 25°C |
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| Index of Refraction | 1.510 |
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| InChIKey | QKQVFFACWLFRRX-UHFFFAOYSA-N |
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| SMILES | CCCCCCCCCCCCCCCC(=O)Oc1ccc2c(C)cc(=O)oc2c1 |
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Safety Information
| Personal Protective Equipment | Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter |
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| Safety Phrases | 24/25 |
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| RIDADR | NONH for all modes of transport |
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| WGK Germany | 3 |
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| HS Code | 2932209090 |
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Customs
| HS Code | 2932209090 |
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| Summary | 2932209090. other lactones. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
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Articles1
More Articles
| Geotrichum candidum NRRL Y-553 lipase: purification, characterization and fatty acid specificity. Lipids 26(10) , 831-6, (1991) Lipases from Geotrichum candidum NRRL Y-553 are of interest because of their unique specificity for cis-9-unsaturated fatty acids relative to both stearic and palmitic acids. The lipases were partiall... | |
Synonyms
| (4-methyl-2-oxochromen-7-yl) hexadecanoate |
| 4-Methyl-2-oxo-2H-chromen-7-yl palmitate |
| 4-Methylumbelliferyl palmitate |
| EINECS 241-695-2 |
| Hexadecanoic acid, 4-methyl-2-oxo-2H-1-benzopyran-7-yl ester |
| MFCD00037612 |
