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189341-21-7

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189341-21-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 189341-21-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,9,3,4 and 1 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 189341-21:
(8*1)+(7*8)+(6*9)+(5*3)+(4*4)+(3*1)+(2*2)+(1*1)=157
157 % 10 = 7
So 189341-21-7 is a valid CAS Registry Number.

189341-21-7Relevant articles and documents

AMIDINOHYDRAZONES AS PROTEASE INHIBITORS

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Page/Page column 25, (2010/11/23)

Amidino and benzamidino compounds, including compounds of the formula: I wherein R1-R4, R6-R9, Y, Z, n and m are set forth in the specification, as well as hydrates, solvates or pharmaceutically acceptable salts thereof, that inhibit proteolytic enzymes such as thrombin are described. Also described are methods for preparing the compounds of Formula I.

Amidino protease inhibitors

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, (2008/06/13)

Amidino and benzamidino compounds, including compounds of the formula: wherein R1-R4, R6-R9, Y, Z, n and m are set forth in the specification, as well as hydrates, solvates or pharmaceutically acceptable salts thereof, that inhibit a number of proteolytic enzymes are described. Also described are methods for preparing the compounds of Formula I.

Structure-activity and crystallographic analysis of a new class of non- amide-based thrombin inhibitor

Lu, Tianbao,Soll, Richard M.,Illig, Carl R.,Bone, Roger,Murphy, Larry,Spurlino, John,Salemme, F. Raymond,Tomczuk, Bruce E.

, p. 79 - 82 (2007/10/03)

The structure-activity relationships of a novel series of non-amide- based thrombin inhibitors are described. Exploration of the P2 and the aryl binding region for this series has identified optimal groups for achieving nanomolar potency. The binding modes of these optimal groups have been confirmed by X-ray structural analysis.

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