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55243-80-6

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55243-80-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 55243-80-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,5,2,4 and 3 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 55243-80:
(7*5)+(6*5)+(5*2)+(4*4)+(3*3)+(2*8)+(1*0)=116
116 % 10 = 6
So 55243-80-6 is a valid CAS Registry Number.

55243-80-6Downstream Products

55243-80-6Relevant articles and documents

3-(Substituted)carbonylamino cephem derivatives

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, (2008/06/13)

7-Acylamino and 7-amino-3-(substituted)carbonylamino-3(or 2)-cephem-4-carboxylic acids and esters thereof, which are useful as antibiotics or as intermediates in preparing antibiotic substances respectively, are prepared from 7-acylamino-3-azidocarbonyl-2

3,4-Dicarboxycephalosporins and derivatives

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, (2008/06/13)

7-Acylamino and 7-amino-3-carboxy-3-cephem-4-carboxylic acids and derivatives thereof, which are useful as antibiotics or as intermediates in preparing antibiotic substances, are prepared by an NBS oxidation of acetal derivatives of 3-formyl cephalosporin

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