55243-89-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 55243-89-5 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 9 respectively.
Calculate Digit Verification of CAS Registry Number 55243-89:
(7*5)+(6*5)+(5*2)+(4*4)+(3*3)+(2*8)+(1*9)=125
125 % 10 = 5
So 55243-89-5 is a valid CAS Registry Number.
55243-89-5Relevant academic research and scientific papers
3-(Substituted)carbonylamino cephem derivatives
-
, (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
