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401947-24-8

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401947-24-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 401947-24-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,0,1,9,4 and 7 respectively; the second part has 2 digits, 2 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 401947-24:
(8*4)+(7*0)+(6*1)+(5*9)+(4*4)+(3*7)+(2*2)+(1*4)=128
128 % 10 = 8
So 401947-24-8 is a valid CAS Registry Number.

401947-24-8Downstream Products

401947-24-8Relevant articles and documents

Conjoint molecules of cephalosporins and aminoglycosides

Grapsas, Ioannis,Lerner, Stephen A.,Mobashery, Shahriar

, p. 295 - 301 (2007/10/03)

A general synthetic route to conjoint molecules of cephalosporins and aminoglycosides is described. These molecules were designed as potential substrates for bacterial β-lactamases, enzymes that hydrolyze the β-lactam bond of cephalosporins. Hydrolysis of the β-lactam bond was expected to release the C10-appended aminoglycoside. Since β-lactamases are sequestered in the periplasmic space of gram-negative bacteria, this sequence of events would liberate aminoglycoside inside such bacteria. It is expected that such local delivery of aminoglycosides would circumvent the inherent toxicity of aminoglycosides that occurs during systemic exposure within the mammalian host.

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