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339162-41-3

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339162-41-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 339162-41-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,3,9,1,6 and 2 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 339162-41:
(8*3)+(7*3)+(6*9)+(5*1)+(4*6)+(3*2)+(2*4)+(1*1)=143
143 % 10 = 3
So 339162-41-3 is a valid CAS Registry Number.

339162-41-3Downstream Products

339162-41-3Relevant articles and documents

Orally active cephalosporins. Part 3: Synthesis, structure-activity relationships and oral absorption of novel C-3 heteroarylmethylthio cephalosporins

Yamamoto, Hirofumi,Terasawa, Takeshi,Nakamura, Ayako,Kawabata, Kohji,Takasugi, Hisashi,Tanaka, Hirokazu,Matsumoto, Satoru,Matsumoto, Yoshimi,Tawara, Shuichi

, p. 465 - 475 (2007/10/03)

A series of 7β-[(Z)-2-(2-aminothiazol-4-yl)-2-hydroxyiminoacetamido]-3- (heteroarylmethylthio)cephalosporins was designed, synthesized and evaluated for antibacterial activity and oral absorption in rats. Antibacterial activity was markedly influenced by the structure of the heteroaromatic ring moiety. Oral absorption was influenced by the heteroaromatic ring moiety as well as by the arrangement of heteroatoms. Among these compounds, FK041 (2o), having a 4-pyrazolylmethylthio moiety, showed potent antibacterial activity against both Gram-positive and Gram-negative bacteria including Haemophilus influenzae. Further, it showed higher oral absorption than CFDN.

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