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221199-68-4

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221199-68-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 221199-68-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,1,1,9 and 9 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 221199-68:
(8*2)+(7*2)+(6*1)+(5*1)+(4*9)+(3*9)+(2*6)+(1*8)=124
124 % 10 = 4
So 221199-68-4 is a valid CAS Registry Number.

221199-68-4Downstream Products

221199-68-4Relevant academic research and scientific papers

Design and synthesis of novel 5-acetylthiomethyl oxazolidinone analogs

Chen, Lei,Wang, Jian-Wei,Hai, Li,Wang, Guang-Ming,Wu, Yong

experimental part, p. 789 - 798 (2010/05/18)

The oxazolidinone class of antimicrobial agents represents a promising advance in the fight against resistant Gram-positive bacterial infections. To improve antibacterial activity and expand the spectrum of activity including Gram-negative bacteria, a series of novel 5-acetylthiomethyl oxazolidinone analogs were designed and synthesized based on the structure-activity relationship studies. The structures of the target compounds and main intermediates were confirmed by 1H NMR, 13C NMR, infrared (IR), mass spectra (MS), and elemental analysis.

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