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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. 1204-069X

ISSN Number

You are validating the ISSN 2721-0308

Totally 11 possible ISSN for your checking

But only one with Right is correct

  1. ISSN 2721-0300 Wrong ISSN
  2. ISSN 2721-0301 Wrong ISSN
  3. ISSN 2721-0302 Wrong ISSN
  4. ISSN 2721-0303 Wrong ISSN
  5. ISSN 2721-0304 Wrong ISSN
  6. ISSN 2721-0305 Wrong ISSN
  7. ISSN 2721-0306 Wrong ISSN
  8. ISSN 2721-0307 Wrong ISSN
  9. ISSN 2721-0308 Correct ISSN
  10. ISSN 2721-0309 Wrong ISSN
  11. ISSN 2721-030X 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.