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1171823-91-8

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1171823-91-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1171823-91-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,7,1,8,2 and 3 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1171823-91:
(9*1)+(8*1)+(7*7)+(6*1)+(5*8)+(4*2)+(3*3)+(2*9)+(1*1)=148
148 % 10 = 8
So 1171823-91-8 is a valid CAS Registry Number.

1171823-91-8Relevant articles and documents

Preparation method of elviravir

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, (2021/04/17)

The invention provides a preparation method of elviravir, and belongs to the technical field of medicine preparation. According to the method, 2, 4-dimethoxybenzoic acid is used as a raw material and is sequentially subjected to a bromination reaction, an

A NEW PRODUCTION METHOD AND NEW INTERMEDIATES OF SYNTHESIS OF ELVITEGRAVIR

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Page/Page column 16, (2014/05/07)

The present solution relates to an improved production method of elvitegravir of formula I, which is being clinically evaluated for treatment of HIV infection. Elvitegravir of formula I is produced via the intermediate of formula II, the preparation of which is also an object of the present solution.

PROCESS FOR PRODUCTION OF 4-OXOQUINOLINE COMPOUND

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Page/Page column 51, (2009/12/28)

The present invention provides a compound useful as a synthetic intermediate for an anti-HIV agent having an integrase inhibitory activity, a production method thereof, and a production method of an anti-HIV agent using the synthetic intermediate. Specifi

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