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162514-85-4

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162514-85-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 162514-85-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,2,5,1 and 4 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 162514-85:
(8*1)+(7*6)+(6*2)+(5*5)+(4*1)+(3*4)+(2*8)+(1*5)=124
124 % 10 = 4
So 162514-85-4 is a valid CAS Registry Number.

162514-85-4Downstream Products

162514-85-4Relevant articles and documents

PENAM DERIVATIVES

-

, (2008/06/13)

The present invention discloses compounds having the formula wherein one of R1 and R2 is ?COR4, ?CN, ?CH2R5. halogen. ?CH=CHR6 or Q and the other is hydrogen or lower alkyl or both R1 and R2 together form a gamma-lactam ring, R3 is hydrogen, lower alkyl. aryl-alkyl, allyl or a residue which is cleavable in vivo, R4 is hydrogen, lower alkyl, lower alkoxy. benzyloxy, amino, lower alkylamino or lower alkyl-lower alkoxyamino. R5 is hydroxy. ?OCONHR7. ?OCONH2 or a five- or six-membered hetero-aromatic ring which contains N,S and/or O and which is linked via a nitrogen atom, R6 is ?CN or CHO. R7 is ?COCH2Cl. Q is a five- or six-membered hetero-aromatic ring which contains N, S and/or O and n is 0, 1 or 2, and the pharmaceutically compatible salts thereof. These compounds are good beta-lactamase inhibitors. They can be used for the prevention or treatment of bacterial infections, optionally together with a beta-lactam antibiotic

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