ISBN 8072264994 hat failed the check­sum digit test.
The following 12 formally correct ISBNs were determined. Starting from these ISBNs the value 8072264994 that you input could have resulted frome one error (error in one digit or transposition of two digits.) You can now check using the links given for the catalogs of amazon.co.uk, amazon.com and amazon.de whether any book is listed for the respective URL. To the home page
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ISBN prefix group: English language
ISBNas­su­med er­rorCatalogs for checking
1-0722-6499-4first digit was chan­ged. amazon.co.uk amazon.com amazon.de
 
ISBN prefix group: former Czechoslovakia
ISBNas­su­med er­rorCatalogs for checking
80-12-26499-4third digit was chan­ged. amazon.co.uk amazon.com amazon.de
80-7223-499-4sixth digit was chan­ged. amazon.co.uk amazon.com amazon.de
80-7226-399-4seven­th digit was chan­ged. amazon.co.uk amazon.com amazon.de
80-7226-449-4eighth digit was chan­ged. amazon.co.uk amazon.com amazon.de
80-7226-497-4ninth digit was chan­ged. amazon.co.uk amazon.com amazon.de
80-7226-499-0tenth digit was chan­ged. amazon.co.uk amazon.com amazon.de
80-7256-499-4fifth digit was chan­ged. amazon.co.uk amazon.com amazon.de
80-7326-499-4fourth digit was chan­ged. amazon.co.uk amazon.com amazon.de
 
ISBN prefix group: Norway
ISBNas­su­med er­rorCatalogs for checking
82-7226-499-4second digit was chan­ged. amazon.co.uk amazon.com amazon.de
 
ISBN prefix group: Denmark
ISBNas­su­med er­rorCatalogs for checking
87-02-26499-42nd and 3rd digits were swap­ped. amazon.co.uk amazon.com amazon.de
 
ISBN prefix group: Netherlands
ISBNas­su­med er­rorCatalogs for checking
90-72264-89-41st and 8th digits were swap­ped. amazon.co.uk amazon.com amazon.de

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