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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. 7515-3181

ISSN Number

You are validating the ISSN 9993-0021

Totally 11 possible ISSN for your checking

But only one with Right is correct

  1. ISSN 9993-0020 Wrong ISSN
  2. ISSN 9993-0021 Correct ISSN
  3. ISSN 9993-0022 Wrong ISSN
  4. ISSN 9993-0023 Wrong ISSN
  5. ISSN 9993-0024 Wrong ISSN
  6. ISSN 9993-0025 Wrong ISSN
  7. ISSN 9993-0026 Wrong ISSN
  8. ISSN 9993-0027 Wrong ISSN
  9. ISSN 9993-0028 Wrong ISSN
  10. ISSN 9993-0029 Wrong ISSN
  11. ISSN 9993-002X 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.