55884-55-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 55884-55-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,5,8,8 and 4 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 55884-55:
(7*5)+(6*5)+(5*8)+(4*8)+(3*4)+(2*5)+(1*5)=164
164 % 10 = 4
So 55884-55-4 is a valid CAS Registry Number.
55884-55-4Relevant academic research and scientific papers
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
