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131271-19-7

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131271-19-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 131271-19-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,1,2,7 and 1 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 131271-19:
(8*1)+(7*3)+(6*1)+(5*2)+(4*7)+(3*1)+(2*1)+(1*9)=87
87 % 10 = 7
So 131271-19-7 is a valid CAS Registry Number.

131271-19-7Relevant articles and documents

N-SULFONYL BENZAMIDE DERIVATIVE WITH HETEROCYCLIC SUBSTITUENT, PREPARATION METHOD THEREFOR AND PHARMACEUTICAL APPLICATION THEREOF

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Paragraph 0251; 0252, (2019/01/04)

The present invention discloses an N-sulfonyl benzamide derivative with a heterocyclic substituent, and a preparation method therefor and a pharmaceutical application thereof. More specifically, the invention discloses a compound represented by formula (II) or a pharmaceutically acceptable salt, stereoisomer, solvent compound, or prodrug thereof, and a preparation method therefor and an application thereof. Refer to the specification for definitions of each group in the formula.

Synthesis and antirhinovirus activity of 6-(dimethylamino)-2-(trifluoromethyl)-9-(substituted benzyl)-9H-purines

Kelley,Linn,Selway

, p. 1757 - 1763 (2007/10/02)

A series of 6-(dimethylamino)-2-(trifluoromethyl)-9-(substituted benzyl)purines was synthesized and tested for antirhinovirus activity. Most of the compounds were synthesized by alkylation of 6-chloro-2-(trifluoromethyl)-9H-purine with the appropriate benzyl halide followed by displacement of the chloro group with dimethylamine. Alternatively, 6-(dimethylamino)-2-(trifluoromethyl)purine was alkylated with the appropriate benzyl halide. Although several different aryl substituents provided compounds with IC50's = 0.03 μM against rhinovirus serotype 1B, no congener was significantly more active than the parent 2. Twenty-three compounds were tested against 18 other serotypes, but none exhibited a uniform profile of activity.

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