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757994-54-0

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757994-54-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 757994-54-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,5,7,9,9 and 4 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 757994-54:
(8*7)+(7*5)+(6*7)+(5*9)+(4*9)+(3*4)+(2*5)+(1*4)=240
240 % 10 = 0
So 757994-54-0 is a valid CAS Registry Number.

757994-54-0Relevant articles and documents

NOVEL COMPOUNDS AS INHIBITORS OF HEPATITIS C VIRUS NS3 SERINE PROTEASE

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Page/Page column 85, (2008/06/13)

The present invention discloses novel compounds which have HCV protease inhibitory activity as well as methods for preparing such compounds. In another embodiment, the invention discloses pharmaceutical compositions comprising such compounds as well as methods of using them to treat disorders associated with the HCV protease.

CYCLOBUTENEDIONE GROUPS-CONTAINING COMPOUNDS AS INHIBITORS OF HEPATITIS C VIRUS NS3 SERINE PROTEASE

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Page/Page column 75, (2010/02/14)

The present invention discloses novel compounds which have HCV protease inhibitory activity as well as methods for preparing such compounds. In another embodiment, the invention discloses pharmaceutical compositions comprising such compounds as well as methods of using them to treat disorders associated with the HCV protease.

Carboxy mediated stereoselective reduction of ketones with sodium triacetoxyborohydride: Synthesis of novel 3,4-fused tetrahydropyran and tetrahydrofuran prolines

Liu, Yi-Tsung,Wong, Jesse K.,Tao, Meng,Osterman, Rebecca,Sannigrahi, Mousumi,Girijavallabhan, Viyyoor M.,Saksena, Anil

, p. 6097 - 6100 (2007/10/03)

In the presence of a carboxyl group positioned for participation, NaBH(OAc)3 will reduce the usually unreactive ketones in a stereoselective manner. This reaction was applied in a key step to prepare precursors 7 and 15 toward the title compounds 1 and 2. These results are consistent with the exchange of one of the acetoxy groups in the reducing agent with the carboxy group followed by intramolecular delivery of the hydride.

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