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21691-57-6

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21691-57-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 21691-57-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,1,6,9 and 1 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 21691-57:
(7*2)+(6*1)+(5*6)+(4*9)+(3*1)+(2*5)+(1*7)=106
106 % 10 = 6
So 21691-57-6 is a valid CAS Registry Number.

21691-57-6Relevant articles and documents

PEPTIDIC COMPOUNDS

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Page/Page column 45, (2008/06/13)

The present invention provides a compound of formula (I), (II), (III) and (IV) as defined herein and pharmaceutically acceptable derivatives thereof. The present invention further provides use of the compounds of the present invention in the treatment of bacterial infection and in the treatment of HIV infection. Also provided are pharmaceutical compositions comprising the compounds of the present invention.

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