54895-21-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 54895-21-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,4,8,9 and 5 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 54895-21:
(7*5)+(6*4)+(5*8)+(4*9)+(3*5)+(2*2)+(1*1)=155
155 % 10 = 5
So 54895-21-5 is a valid CAS Registry Number.
54895-21-5Relevant articles and documents
α-amino-α-(ureidophenyl)acetamidocephalosporins
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, (2008/06/13)
Cephalosporins with a α-amino-(ureidophenyl)acetamido substituent at position 7 are prepared by acylation of a 7-aminocephalosporin with a derivative of α-amino-p(or m)-ureidophenylacetic acid. These compounds are antibacterial agents.
