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94425-95-3

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94425-95-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 94425-95-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,4,4,2 and 5 respectively; the second part has 2 digits, 9 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 94425-95:
(7*9)+(6*4)+(5*4)+(4*2)+(3*5)+(2*9)+(1*5)=153
153 % 10 = 3
So 94425-95-3 is a valid CAS Registry Number.

94425-95-3Relevant articles and documents

Method for synthesizing artificially all-trans-resveratrol and derivative thereof

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Paragraph 0049; 0050, (2017/08/31)

The invention discloses a method for synthesizing artificially all-trans-resveratrol and a derivative thereof. In the method, the precursors of all-trans-resveratrol and the derivative thereof are prepared by means of constructing a conjugated fused ring, thus the all-trans-spatial structure of resveratrol and the derivative thereof is restricted completely, to prepare all-trans-resveratrol and the derivative thereof. The resulting product of the preparation method of 1,2-stilbene or the derivative thereof in the invention is of all-trans configuration, so as to meet the demand of biologically active substance chemicals. Compared to the previous processes, the method provided by the invention has the advantages of simple processes and mild conditions, thereby meeting the green chemistry concept.

Alkyl derivative manufacturing method

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Paragraph 0040; 0052; 0053; 0054; 0055, (2019/04/03)

PROBLEM TO BE SOLVED: To provide a new method for producing an alkyl derivative of a polyphenol. SOLUTION: The method for producing an alkyl derivative of a polyphenol includes a step of reacting an acetic acid salt and an alkylating agent with the polyphenol. COPYRIGHT: (C)2013,JPOandINPIT

Syntheses of resveratrol and its hydroxylated derivatives as radical scavenger and tyrosinase inhibitor

Lee, Hyun Suck,Lee, Byung Won,Kim, Mi Ran,Jun, Jong-Gab

experimental part, p. 971 - 975 (2010/10/21)

Eight hydroxylated stilbene derivatives including resveratrol, desoxyrhapontigenin and piceatannol as potential radical scavenger and tyrosinase inhibitor are synthesized using optimized Wittig-Horner reaction for excellent trans-selectivity in good yields. Antioxidant activity was tested against ABTS radical and tyrosinase inhibitory activity was performed with L-tyrosine as the substrate based on previous procedure with some modification. In general, catecholic stilbenes showed stronger activity against ABTS radical and resorcinolic moiety showed stronger tyrosinase inhibitory activity. Synthetic piceatannol which containing both catecholic and resorcinolic moieties showed the strongest activity in both as ABTS radical scavenger and tyrosinase inhibitor with IC50 values of 4.1 and 8.6 μM, respectively.

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