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4895-19-6

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4895-19-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 4895-19-6 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,8,9 and 5 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 4895-19:
(6*4)+(5*8)+(4*9)+(3*5)+(2*1)+(1*9)=126
126 % 10 = 6
So 4895-19-6 is a valid CAS Registry Number.

4895-19-6Relevant articles and documents

Transition-Metal-Free Valorization of Biomass-derived Levulinic Acid Derivatives: Synthesis of Curcumene and Xanthorrhizol

Fu, Yao,Gong, Tian-Jun,Xu, Wen-Yan,Zhuo, Kai-Feng

, p. 884 - 891 (2020/12/13)

Levulinic acid (LA) is acknowledged one of the most promising biomass-derived platform molecules and can be transformed into various value-added chemicals. Here, we report a new reaction process for the valorization of LA derivatives under transition-meta

A asymmetric catalytic synthesis (S)- aryl curcumene method

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Paragraph 0011; 0042, (2017/08/25)

The invention discloses a method for asymmetrically catalyzing and synthesizing (S)-curcumene. According to the method, racemization 2-halogenated propionate ester serves as a starting material, under the catalysis of bis oxazoline/ cobalt, an asymmetrica

Enantioselective copper-catalyzed conjugate addition of trimethylaluminum to β,γ-unsaturated α-ketoamides: Efficient access to γ-methyl-substituted carbonyl compounds

Goncalves-Contal, Sylvie,Gremaud, Ludovic,Alexakis, Alexandre

, p. 12701 - 12704 (2013/12/04)

Picture perfect: By using the reagent trimethylaluminium and β,γ-unsaturated α-ketoamides, 1,4-adducts were obtained with perfect 1,4-regioselectivity and good to excellent yields and ee values. The potential synthetic utility of the methodology was highl

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