ISBN 9050112499 hat failed the check­sum digit test.
The following 15 formally correct ISBNs were determined. Starting from these ISBNs the value 9050112499 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: Netherlands
ISBNas­su­med er­rorCatalogs for checking
90-10-15249-93rd and 6th digits were swap­ped. amazon.co.uk amazon.com amazon.de
90-201-1549-93rd and 7th digits were swap­ped. amazon.co.uk amazon.com amazon.de
90-5011-209-9eighth digit was chan­ged. amazon.co.uk amazon.com amazon.de
90-5011-243-9ninth digit was chan­ged. amazon.co.uk amazon.com amazon.de
90-5011-249-8tenth digit was chan­ged. amazon.co.uk amazon.com amazon.de
90-5011-299-48th and 10th digits were swap­ped. amazon.co.uk amazon.com amazon.de
90-5011-949-27th and 10th digits were swap­ped. amazon.co.uk amazon.com amazon.de
90-5013-249-9sixth digit was chan­ged. amazon.co.uk amazon.com amazon.de
90-5019-249-16th and 10th digits were swap­ped. amazon.co.uk amazon.com amazon.de
90-5091-241-95th and 9th digits were swap­ped. amazon.co.uk amazon.com amazon.de
90-5311-249-9fourth digit was chan­ged. amazon.co.uk amazon.com amazon.de
90-5911-249-04th and 10th digits were swap­ped. amazon.co.uk amazon.com amazon.de
90-90-11249-9third digit was chan­ged. amazon.co.uk amazon.com amazon.de
 
ISBN prefix group: International NGO Publishers and EU Organizations
ISBNas­su­med er­rorCatalogs for checking
92-5-011049-92nd and 7th digits were swap­ped. amazon.co.uk amazon.com amazon.de
 
ISBN prefix group: Israel
ISBNas­su­med er­rorCatalogs for checking
965-01-1249-9second digit was chan­ged. amazon.co.uk amazon.com amazon.de

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