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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. 5476-3347

ISSN Number

You are validating the ISSN 9640-3993

Totally 11 possible ISSN for your checking

But only one with Right is correct

  1. ISSN 9640-3990 Wrong ISSN
  2. ISSN 9640-3991 Wrong ISSN
  3. ISSN 9640-3992 Wrong ISSN
  4. ISSN 9640-3993 Correct ISSN
  5. ISSN 9640-3994 Wrong ISSN
  6. ISSN 9640-3995 Wrong ISSN
  7. ISSN 9640-3996 Wrong ISSN
  8. ISSN 9640-3997 Wrong ISSN
  9. ISSN 9640-3998 Wrong ISSN
  10. ISSN 9640-3999 Wrong ISSN
  11. ISSN 9640-399X 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.