73543-98-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 73543-98-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,3,5,4 and 3 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 73543-98:
(7*7)+(6*3)+(5*5)+(4*4)+(3*3)+(2*9)+(1*8)=143
143 % 10 = 3
So 73543-98-3 is a valid CAS Registry Number.
73543-98-3Relevant academic research and scientific papers
Carbapenum derivatives, a process for their preparation and their use in pharmaceutical compositions and intermediates
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, (2008/06/13)
The present invention provides antibiotic compounds of the formula: STR1 and salts and cleavable esters thereof wherein X is a SCH2 CH2 NH2 or YNH-COCH3 group where Y is a SCH2 CH2, trans -
