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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. 2751-0107

ISSN Number

You are validating the ISSN 8509-4439

Totally 11 possible ISSN for your checking

But only one with Right is correct

  1. ISSN 8509-4430 Wrong ISSN
  2. ISSN 8509-4431 Wrong ISSN
  3. ISSN 8509-4432 Wrong ISSN
  4. ISSN 8509-4433 Wrong ISSN
  5. ISSN 8509-4434 Wrong ISSN
  6. ISSN 8509-4435 Wrong ISSN
  7. ISSN 8509-4436 Wrong ISSN
  8. ISSN 8509-4437 Wrong ISSN
  9. ISSN 8509-4438 Wrong ISSN
  10. ISSN 8509-4439 Correct ISSN
  11. ISSN 8509-443X 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.