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54011-14-2

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54011-14-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 54011-14-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,4,0,1 and 1 respectively; the second part has 2 digits, 1 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 54011-14:
(7*5)+(6*4)+(5*0)+(4*1)+(3*1)+(2*1)+(1*4)=72
72 % 10 = 2
So 54011-14-2 is a valid CAS Registry Number.

54011-14-2Relevant articles and documents

Synthesis of new esters and amides of cephalosporin G

Serkov,Bezuglov

, p. 103 - 106 (2008/02/13)

Synthetic methods for cephalosporin G derivatized at the carboxyl were developed. Dinitroglycerine, acetoxymethyl, and choline esters of cephalosporin G and its amide in addition to amides of cephalosporin G with glutamic acid and arginine were synthesize

APPLICATION OF ACETOXYMETHYL ESTERS OF PENICILLINS FOR PREPARATION OF 7-AMINO-DESACETOXY-CEPHALOSPORANIC ACID (7-ADCA)

Gruszecki, Wojciech,Gdulewicz-Gruszecka, Maria,Borowski, Edward

, p. 1675 - 1679 (2007/10/02)

A simple method of preparing 7-amino-desacetoxy-cephalosporanic acid (7-ADCA) from acetoxymethyl esters of natural penicillins has been described.

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