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157915-06-5

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157915-06-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 157915-06-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,7,9,1 and 5 respectively; the second part has 2 digits, 0 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 157915-06:
(8*1)+(7*5)+(6*7)+(5*9)+(4*1)+(3*5)+(2*0)+(1*6)=155
155 % 10 = 5
So 157915-06-5 is a valid CAS Registry Number.

157915-06-5Upstream product

157915-06-5Downstream Products

157915-06-5Relevant articles and documents

Carbapenem antibiotic compounds

-

, (2008/06/13)

The present invention relates to carbapenems and provides a compound of the formula (I) STR1 wherein: R1 is 1-hydroxyethyl, 1-fluoroethyl or hydroxymethyl; R2 is hydrogen or C1-4 alkyl; R3 is hydrogen or C1-4 alkyl; P1 is of the formula: STR2 and one or two of A,B,C,D,E,F,G and H, are nitrogen and the remainder are CH; and P is bonded to the nitrogen of the linking carbamoyl group by a carbon atom, in either ring, is substituted by the carboxy group on a carbon atom, in either ring, and is optionally further substituted, by up to three substitutents, on a carbon atom, in either ring; or a pharmaceutically acceptable salt or in vivo hydrolysable ester thereof. Processes for their preparation, intermediates in their preparation, their use as therapeutic agents and pharmaceutical compositions containing them are also described.

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