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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. 5199-8114

ISSN Number

You are validating the ISSN 6993-9543

Totally 11 possible ISSN for your checking

But only one with Right is correct

  1. ISSN 6993-9540 Wrong ISSN
  2. ISSN 6993-9541 Wrong ISSN
  3. ISSN 6993-9542 Wrong ISSN
  4. ISSN 6993-9543 Correct ISSN
  5. ISSN 6993-9544 Wrong ISSN
  6. ISSN 6993-9545 Wrong ISSN
  7. ISSN 6993-9546 Wrong ISSN
  8. ISSN 6993-9547 Wrong ISSN
  9. ISSN 6993-9548 Wrong ISSN
  10. ISSN 6993-9549 Wrong ISSN
  11. ISSN 6993-954X 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.