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74256-73-8

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74256-73-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 74256-73-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,2,5 and 6 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 74256-73:
(7*7)+(6*4)+(5*2)+(4*5)+(3*6)+(2*7)+(1*3)=138
138 % 10 = 8
So 74256-73-8 is a valid CAS Registry Number.

74256-73-8Relevant articles and documents

Covalently linked kanamycin – Ciprofloxacin hybrid antibiotics as a tool to fight bacterial resistance

Shavit, Michal,Pokrovskaya, Varvara,Belakhov, Valery,Baasov, Timor

, p. 2917 - 2925 (2017)

To address the growing problem of antibiotic resistance, a set of 12 hybrid compounds that covalently link fluoroquinolone (ciprofloxacin) and aminoglycoside (kanamycin A) antibiotics were synthesized, and their activity was determined against both Gram-n

Probing the functional requirements of the L-haba side-chain of amikacin - Synthesis, 16S A-site rRNA binding, and antibacterial activity

Hanessian, Stephen,Kornienko, Alexander,Swayze, Eric E.

, p. 995 - 1007 (2007/10/03)

The l-amino group in amikacin was acylated with a variety of 2-hydroxy aminocarboxylic acids to probe the effect of acylation on ribosomal binding and antibacterial activity. The N-hydroxy urea analogue of amikacin (8a) in which the 2-S-hydroxyl-bearing carbon was replaced by an N-OH group was equally active against S. aureus and E. coli in vitro. The analogous tobramycin variant 9 was more active than amikacin.

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