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ISSN Number Checker

ISSN numbers consist of 8 digits. To check validity of an ISSN number enter the 8 digit ISSN number in the box below. You may also enter one ISSN with hyphen, e.g. 4594-508X

ISSN Number

You are validating the ISSN 6691-5686

Totally 11 possible ISSN for your checking

But only one with Right is correct

  1. ISSN 6691-5680 Wrong ISSN
  2. ISSN 6691-5681 Wrong ISSN
  3. ISSN 6691-5682 Wrong ISSN
  4. ISSN 6691-5683 Wrong ISSN
  5. ISSN 6691-5684 Wrong ISSN
  6. ISSN 6691-5685 Wrong ISSN
  7. ISSN 6691-5686 Correct ISSN
  8. ISSN 6691-5687 Wrong ISSN
  9. ISSN 6691-5688 Wrong ISSN
  10. ISSN 6691-5689 Wrong ISSN
  11. ISSN 6691-568X Wrong ISSN

What is ISSN?

ISSN is a worldwide identification code used by publishers, suppliers, libraries, information services, bar coding systems, union catalogues, etc. for citation and retrieval of serials such as Journals, Newspapers, Newsletters, Directories, Yearbooks, Annual Reports & Monograph series, etc. The benefits include international publicity and recognition of the serial by automatic inclusion in the International Serials Directory Database.

It is an eight digit number consisting of seven digits plus a check digit which enables a computer to recognise when the number is incorrectly cited. The check digit may be an X, otherwise the ISSN is fully numeric.