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238098-38-9

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238098-38-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 238098-38-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,3,8,0,9 and 8 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 238098-38:
(8*2)+(7*3)+(6*8)+(5*0)+(4*9)+(3*8)+(2*3)+(1*8)=159
159 % 10 = 9
So 238098-38-9 is a valid CAS Registry Number.

238098-38-9Relevant articles and documents

Novel Friedel-Crafts reaction method and catalyst thereof

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Paragraph 0217-0218; 0225-0227; 0235-0238, (2020/02/29)

The present invention relates to a novel method for preparing or synthesizing an acylated or alkylated aryl compound, such as acylated or alkylated benzene, through a reaction called Friedel-Crafts, and a novel catalyst for the method. The present invention particularly relates to a novel environment-friendly method for synthesizing the Friedel-Crafts reaction of the acylated or alkylated compound.

PHTHALIC ACID DIAMIDE DERIVATIVES FLUORINE-CONTAINING ANILINE COMPOUNDS AS STARTING MATERIAL, AGRICULTURAL AND HORTICULTURAL INSECTICIDES, AND A METHOD FOR APPLICATION OF THE INSECTICIDES

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, (2008/06/13)

The present invention provides a phthalic acid diamide derivative represented by the general formula (I) (wherein R1, R2 and R3 are each H, C3-C6 cycloalkyl group, group of the formula —A1—

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