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916448-17-4

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916448-17-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 916448-17-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,1,6,4,4 and 8 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 916448-17:
(8*9)+(7*1)+(6*6)+(5*4)+(4*4)+(3*8)+(2*1)+(1*7)=184
184 % 10 = 4
So 916448-17-4 is a valid CAS Registry Number.

916448-17-4Downstream Products

916448-17-4Relevant articles and documents

Bicyclic 6-alkylidene-penems as class-D beta-lactamases inhibitors

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Page/Page column 38, (2010/11/25)

This invention relates to certain bicyclic 6-alkylidene penems which act as a inhibitor of class-D enzymes. β-Lactamases hydrolyze β-lactam antibiotics, and as such serve as the primary cause of bacterial resistance. The compounds of the present invention when combined with β-lactam antibiotics will provide an effective treatment against life threatening bacterial infections. In accordance with the present invention there are provided compounds of general formula I or a pharmaceutically acceptable salt or in vivo hydrolyzable ester R5 thereof: wherein: One of A and B denotes hydrogen and the other an optionally substituted fused bicyclic heteroaryl group; and X═O or S.

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