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15116-15-1

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15116-15-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 15116-15-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,5,1,1 and 6 respectively; the second part has 2 digits, 1 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 15116-15:
(7*1)+(6*5)+(5*1)+(4*1)+(3*6)+(2*1)+(1*5)=71
71 % 10 = 1
So 15116-15-1 is a valid CAS Registry Number.

15116-15-1Relevant articles and documents

Primulin derivative as well as synthesis method and application of primulin derivative

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Paragraph 0047, (2018/01/11)

The invention discloses a primulin derivative with antibacterial activity shown as the structural general formula (I), wherein R is selected from C2-C20 alkyls. The primulin derivative is prepared from raw materials including m-dihydroxybenzene and a fatty acid derivative by the steps: carrying out Friedel-Crafts acylation and methylation to synthesize a paeonol derivative, and carrying out oxidization after carrying out carbonyl reduction. The primulin derivative has good antibacterial activity and can be used as a potential antibacterial agent.

Optically active compound and chiral liquid crystal composition containing the same

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, (2008/06/13)

An optically active compound represented by the general formula (I) of: In the general formula (I); R is an alkyl or alkoxy group having 4 to 22 carbon atoms; Z is the one selected from the group consisting of --Ph--, --Ph(X)--, --Ph--Ph--, Ph(X)--Ph--, --Ph--cy--, --Ph(X)--cy-- and --py--Ph-- is a 1,4-substituted phenylene group; --Ph--Ph-- is a 4,4'-substituted diphenylene group; --cy-- is a trans-1,4-cyclohexane group, --py is 2,5-substituted pyrimide group; X is a halogen atom at the ortho-position to R; k is zero or 1, Y is the one selected from the group consisting of H, OH, halogen atoms and methyl group; C* is an asymmetric carbon atom; E is the one selected from the group consisting of methyl group, halogen atoms and CF3 ; L is an alkyl, aryl or aralkyl group having not more than 10 carbon atoms; and m is an integer of zero to 6 where m takes zero when Y is H and Z is --Ph-- or --Ph--Ph--. The optically active compound is usable as an ingredient for a liquid crystal composition which has high spontaneous polarization, exhibits the Sc* phase (chiral smectic C liquid crystalline phase) in a wide temperature range and high speed response.

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