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98790-22-8

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98790-22-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 98790-22-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,8,7,9 and 0 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 98790-22:
(7*9)+(6*8)+(5*7)+(4*9)+(3*0)+(2*2)+(1*2)=188
188 % 10 = 8
So 98790-22-8 is a valid CAS Registry Number.

98790-22-8Relevant articles and documents

Stereoselective hydrogenation of lignin degradation model compounds

Hu,James,Rettig,Lee

, p. 1234 - 1239 (1997)

Di-μ-chloro-bis(η4-1,5-hexadiene)dirhodium(I) in a two-phase hexane-aqueous medium catalyzes the diastereoselective H2-hydrogenation of lignin degradation model compounds 4-propylphenol, 2-methoxy-4-propylphenol, and 2,6-dimethoxy-4-propylphenol. The all-cis diastereomer is obtained selectively when the phenolic hydroxy group is protected as a methyl ether or when a model compound possessing two methoxy substituents adjacent to the phenolic hydroxy group is used. The relative stereochemistries of the hydrogenated products are established by X-ray crystal structure analysis and (or) 1H NMR.

NUCLEUS HYDROGENATION METHOD FOR AROMATIC COMPOUND USING ALCOHOL AND WATER

-

Paragraph 0018-0033, (2018/08/23)

PROBLEM TO BE SOLVED: To provide a method for the nucleus hydrogenation of an aromatic compound without using hydrogen for the improvement of safety and the diversification of a hydrogen source. SOLUTION: Provided is a method for the nucleus hydrogenation

Hydroamination of alkylphenols by nitriles

Tarasevich,Zhavrid,Kozlov

, p. 1154 - 1159 (2007/10/03)

N-(Alkyl(alkylcyclohexyl)amines were synthesized by hydroamination of o-, m-, and p-alkyl-phenols with aliphatic nitriles. The stereochemistry of the secondary amines formed is described.

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