Webdried for a week before the final mass and melting point of white, powdery CAPE were taken. RESULTS diacetylcaffeic Mass % Recovery Melting Point acid 1.65 g 11.20% 178° C Caffeic acid phenethyl ester 0.01g 7.10% 115° C DISCUSSION Caffeic acid phenethyl ester is synthesized from caffeic acid. The first part of the reaction was the WebMelting Point: No data. Boiling Point: No data. Flash Pt: No data. Explosive Limits: LEL: No data. UEL: No data. Vapor Pressure (vs. Air or mm Hg): No data. Vapor Density (vs. Air …
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Web21 dec. 2024 · Visit ChemicalBook To find more Phenethyl caffeate(104594-70-9) information like chemical properties,Structure,melting point,boiling point,density,molecular formula,molecular weight, physical properties,toxicity information,customs codes. You can also browse global suppliers,vendor,prices,Price,manufacturers of Phenethyl … Web2 mrt. 2024 · Caffeic acid phenethyl ester (CAPE) is a strong antioxidant extracted from honey bee-hive propolis. The mentioned compound, a well-known NF-κB inhibitor, has been used in traditional medicine as a potent anti-inflammatory agent. CAPE has a broad spectrum of biological properties including anti-viral, anti-bacterial, anti-cancer, …
WebThe invention provides a new purpose of caffeic acid and derivatives thereof in preparing drugs of cranial nerves protective agent, wherein caffeic acid methyl ester, caffeic acid ethyl ester and 3, 4-diacetyl caffeic acid obtained by taking the caffeic acid as a raw material which is subject to structural modification have the obvious protective activity for … WebNotice: Except where noted, spectra from this collection were measured on dispersive instruments, often in carefully selected solvents, and hence may differ in detail from …
Web17 jul. 2024 · Melting points were determined with a Boetius micro-melting point apparatus. Mass spectra were recorded on a Thermoquest Automass Multi in EI mode (70 eV). 1 H NMR spectra were recorded with Bruker Avance 3 Ascend 500 at 500 MHz and 13 C NMR spectra at 125 MHz in CDCl 3 or DMSO- d 6 at 298 K in the presence of five … WebMelting temperature (°C and °F) with carbon number up to C33. The tables and figures below show how the melting point changes with increasing carbon number up to C 33 for different kinds of hydrocarbons, alcohols and carboxylic acids. More detailed definitions and examples of molecular structures of the different classes of organic compounds ...
Web1 feb. 2003 · Synthesis and Hepatoprotective Activity of 3,4 Diacetyl; 3,4 Dibenzyl Caffeic and 4-(Dimethylamino)Cinnamic Acids February 2003 Proceedings of the Western Pharmacology Society 46:136-8
http://caknudtson.weebly.com/uploads/3/0/5/9/30590983/lab_report.pdf cheryl scott meteorologist facebookWeb28 mrt. 2024 · 1 Introduction . Caffeic acid (CA, 3,4-dihydroxycinnamic acid), a phenolic acid of plant secondary metabolites, is widely present in fruits, vegetables, and grains. 1–3 CA has many biological activities such as anti-inflammatory, anti-diabetic, anticancer, antiviral and antioxidant activity in vitro. 4–6 Therefore, CA has a broad prospective … cheryl scott new year dancecheryl scott meteorologist wikipediaWeba) Appearance Form: liquid Color: colorless b) Odor characteristic c) Odor Threshold 10 ppm d) pH No data available e) Melting point/freezing point Melting point/range: -98 °C (-144 °F) f) Initial boiling point and boiling range 64.7 °C 148.5 °F g) Flash point 9.7 °C (49.5 °F) - closed cup - Regulation (EC) No. 440/2008, Annex, A.9 h) Evaporation … cheryl scott nbc 5WebRef: Sangster (1993) Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42): Boiling Pt (deg C): 365.39 (Adapted Stein & Brown method) Melting Pt (deg C): 144.43 … flights to orlando from puerto ricoWebCaffeic Acid C9H8O4 CID 689043 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities, safety/hazards/toxicity … cheryl scott new yearsWebCaffeic acid = 98.0 HPLC 331-39-5 C0625 Caffeic acid ≥98.0% (HPLC) Synonym (s): 3,4-Dihydroxybenzeneacrylic acid, 3,4-Dihydroxycinnamic acid, 3- (3,4-Dihydroxyphenyl)-2 … flights to orlando from san diego