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27911-81-5

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27911-81-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 27911-81-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,7,9,1 and 1 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 27911-81:
(7*2)+(6*7)+(5*9)+(4*1)+(3*1)+(2*8)+(1*1)=125
125 % 10 = 5
So 27911-81-5 is a valid CAS Registry Number.

27911-81-5Relevant articles and documents

A thioether of triazole containing 1, 4 - pentadiene -3 - ketone derivatives, preparation method and use thereof

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Paragraph 0030; 0037, (2019/05/16)

The invention discloses a thioether of triazole containing 1, 4 - pentadiene - 3 - ketone derivatives, preparation method and use, its general structure is as follows, wherein: X is 2 - O or 4 - O, R is phenyl, substituted phenyl, heterocyclic base or 4 - methyl thiazole. The invention of tobacco mosaic virus, tobacco wilt bacteria in the dried bean curd is dry and rice pathogens and better control effect.

Influence of the chemical structure of diarylpenta-1,4-dien-3-one chromophores on the nonlinear optical properties of their polymeric complexes with poly-1,10-decamethyleneacetamidine

Ten'kovtsev,Trofimov,Lukoshkin,Dudkina,Boehme,Hessler

, p. 1178 - 1182 (2007/10/03)

A study was made of the ability of the ionic complexes formed by diarylalkadienone chromophores with poly-1,10-decamethyleneacetamidine to exhibit third-order nonlinear-optical effects. The chemical structure of the chromophores was correlated with the third harmonic generation efficiency.

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