Eugenol benzoate | CAS:531-26-0 | Manufacturer ChemFaces

Providing storage is as stated on the product vial and the vial is kept tightly sealed, the product can be stored for up to 24 months(2-8C).

Wherever possible, you should prepare and use solutions on the same day. However, if you need to make up stock solutions in advance, we recommend that you store the solution as aliquots in tightly sealed vials at -20C. Generally, these will be useable for up to two weeks. Before use, and prior to opening the vial we recommend that you allow your product to equilibrate to room temperature for at least 1 hour.

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The packaging of the product may have turned upside down during transportation, resulting in the natural compounds adhering to the neck or cap of the vial. take the vial out of its packaging and gently shake to let the compounds fall to the bottom of the vial. for liquid products, centrifuge at 200-500 RPM to gather the liquid at the bottom of the vial. try to avoid loss or contamination during handling.

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Synthesis of the anti-oxidant eugenol benzoate using Candida rugosa lipase immobilized onto multi walled carbon nanotubes.[Reference: WebLink]

Multi walled carbon nanotube (MWCNTs) having high surface area was used for the immobilization of lipase from Candida rugosa (CRL) by physical adsorption. The ability of the MWCNT immobilized CRL was compared against the free CRL in the esterification of benzoic acid with eugenol to produce the antioxidant Eugenol benzoate, a potent lipoxygenase inhibitor.
METHODS AND RESULTS:
In this study, the effect of four parameters; reaction time, temperature, molecular sieves and enzyme loading were evaluated. The maximum yield of ester of reactions catalyzed by immobilized CRL and free lipase were found to be 31.62 and 27.2%, respectively. The study revealed that the optimal conditions for the highest yield of ester attained for both free CRL and immobilized CRL were similar. The attained optimum conditions were 5 mg/mL enzyme, 0.5:1.5 molar ratio of benzoic acid/eugenol dissolved in 38.5 mL chloroform, 500 mg of molecular sieves with 50 mL total volume of reaction mixture, stirred under 200 rpm at 40oC for 4 h. It was observed the MWCNT immobilized CRL afforded slightly higher yield of ester in all parameters investigated as compared to the free CRL.
CONCLUSIONS:
The outcome suggests that the MWCNT immobilized CRL could be used to synthesize Eugenol benzoate. Furthermore, treatment of the esterification process is now easier due to simpler methods of separation of the end product and the biocatalyst could be recycled.

Product Name	Eugenol benzoate
CAS No.:	531-26-0
Catalog No.:	CFN70480
Molecular Formula:	C₁₇H₁₆O₃
Molecular Weight:	268.3 g/mol
Purity:	>=98%
Type of Compound:	Phenols
Physical Desc.:	Powder
Source:	The flowers of Syzygium aromaticum.
Solvent:	Chloroform, Dichloromethane, Ethyl Acetate, DMSO, Acetone, etc.
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