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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. 5619-5362

ISSN Number

You are validating the ISSN 3990-5543

Totally 11 possible ISSN for your checking

But only one with Right is correct

  1. ISSN 3990-5540 Wrong ISSN
  2. ISSN 3990-5541 Wrong ISSN
  3. ISSN 3990-5542 Wrong ISSN
  4. ISSN 3990-5543 Correct ISSN
  5. ISSN 3990-5544 Wrong ISSN
  6. ISSN 3990-5545 Wrong ISSN
  7. ISSN 3990-5546 Wrong ISSN
  8. ISSN 3990-5547 Wrong ISSN
  9. ISSN 3990-5548 Wrong ISSN
  10. ISSN 3990-5549 Wrong ISSN
  11. ISSN 3990-554X 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.