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N-benzylidene-6-aminopenicillanic acid is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

21019-16-9

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21019-16-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 21019-16-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,1,0,1 and 9 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 21019-16:
(7*2)+(6*1)+(5*0)+(4*1)+(3*9)+(2*1)+(1*6)=59
59 % 10 = 9
So 21019-16-9 is a valid CAS Registry Number.

21019-16-9Relevant academic research and scientific papers

1-Oxides of Schiff bases of 6-aminopenicillanic acid

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, (2008/06/13)

Compounds containing a cephem nucleus are prepared by heating a 1-oxide of a Schiff base of 6-aminopenicillanic acid. These cephem compounds are useful as intermediates in the preparation of physiologically active cephalosporins.

6-Arylthio penicillanic acid and derivatives thereof

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, (2008/06/13)

Disclosed herein are penicillanic acids and derivatives thereof which are substituted in the 6-position, processes for preparing such compounds and the utility thereof. The compounds of the invention have been found to be useful as antibacterial agents.

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