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530141-60-7

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530141-60-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 530141-60-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,3,0,1,4 and 1 respectively; the second part has 2 digits, 6 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 530141-60:
(8*5)+(7*3)+(6*0)+(5*1)+(4*4)+(3*1)+(2*6)+(1*0)=97
97 % 10 = 7
So 530141-60-7 is a valid CAS Registry Number.

530141-60-7Relevant articles and documents

Synthesis technology of C-Fos/AP-1 inhibitor

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, (2019/01/08)

The invention belongs to the technical field of pharmaceutical synthesis and especially relates to a synthesis technology of a C-Fos/AP-1 inhibitor. Starting from cheap raw materials 2,4-dimethoxybenzoic acid and 2-methoxyphenylpropionic acid, acid chloride is prepared by using thionyl chloride, and a Friedel-Crafts acylation reaction is carried out under the catalysis of aluminium trichloride soas to obtain a coupled product; then, pyridine hydrobromide and sodium chloride are used to react at 160 DEG C for 30 minutes to complete the demethylation for synthesis of lactonic ring by one step,and the product can be directly used in the next reaction without purification; the cyclopentyl group is introduced by nucleophilic substitution; the lactone ring is opened to form methyl ester; afterpurification, a benzoisoxazolyl group is introduced by nucleophilic substitution, and a protecting group is taken off to prepare the final product T5224. The route of the invention is short, and onlythe Friedel-Crafts acylation, lactone ring opening and introduction of the benzoisoxazolyl group require the step of purification. The cost of the raw materials is low, and the reaction time of the process route is short. The synthesis technology is suitable for industrial production.

PROCESS FOR PRODUCTION OF 3-[5-[4-(CYCLOPENTYLOXY)-2-HYDROXYBENZOYL]-2-[(3-HYDROXY-1,2-BEZISOXAZOL-6-YL)METHOXY]PHENYL]PROPIONATE ESTER AND INTERMEDIATE FOR THE PROCESS

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Page/Page column 25-26, (2008/12/08)

A preparation method using as an intermediate 6-(halomethyl)-1,2-benzisoxazol-3(2H)-one derivative represented by general formula wherein R5 is a methyl group that is substituted with one or more optionally substituted phenyl groups, or an opti

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