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104773-44-6

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104773-44-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 104773-44-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,4,7,7 and 3 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 104773-44:
(8*1)+(7*0)+(6*4)+(5*7)+(4*7)+(3*3)+(2*4)+(1*4)=116
116 % 10 = 6
So 104773-44-6 is a valid CAS Registry Number.

104773-44-6Upstream product

104773-44-6Downstream Products

104773-44-6Relevant articles and documents

A novel 1β-methylcarbapenem antibiotic, S-4661 synthesis and structure-activity relationships of 2-(5-substituted pyrrolidin-3-ylthio)-1β-methylcarbapenems

Iso, Yasuyoshi,Irie, Tadashi,Nishino, Yutaka,Motokawa, Kiyoshi,Nishitani, Yasuhiro

, p. 199 - 209 (1996)

The synthesis and biological activity of (1R,5S,6S)-2-[(3S,5S)-5-substituted pyrrolidin-3-ylthio]-6-[(1R)-1-hydroxyethyl]-1-methylcarbapen-2-em-3-carboxylic acids are described. These compounds exhibit potent antibacterial activity against a wide range of both Gram-positive and Gram-negative bacteria including Pseudomonas aeruginosa. Of these new carbapenems, (1R,5S,6S)-2-[(3S,5S)-5-sulfamoylaminomethyl pyrrolidin-3-ylthio]-6-[(1R)-1-hydroxyethyl]-1-methylcarbapen-2-em-3-carboxylic acid (S-4661) showed the most potent and well balanced activity and was selected as a candidate for further evaluation.

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