52403-62-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 52403-62-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,2,4,0 and 3 respectively; the second part has 2 digits, 6 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 52403-62:
(7*5)+(6*2)+(5*4)+(4*0)+(3*3)+(2*6)+(1*2)=90
90 % 10 = 0
So 52403-62-0 is a valid CAS Registry Number.
52403-62-0Relevant articles and documents
7β-Isocyano cephalosporin esters and process of preparation
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, (2008/06/13)
Novel 6β-isocyano penicillin and 7β-isocyano cephalosporin esters of value as intermediates in the synthesis of penicillin and cephalosporin antibiotics are provided. The novel compounds may be prepared by reaction of the corresponding 6β-formamido penici