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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. 8987-1367

ISSN Number

You are validating the ISSN 9303-640X

Totally 11 possible ISSN for your checking

But only one with Right is correct

  1. ISSN 9303-6400 Wrong ISSN
  2. ISSN 9303-6401 Wrong ISSN
  3. ISSN 9303-6402 Wrong ISSN
  4. ISSN 9303-6403 Wrong ISSN
  5. ISSN 9303-6404 Wrong ISSN
  6. ISSN 9303-6405 Wrong ISSN
  7. ISSN 9303-6406 Wrong ISSN
  8. ISSN 9303-6407 Wrong ISSN
  9. ISSN 9303-6408 Wrong ISSN
  10. ISSN 9303-6409 Wrong ISSN
  11. ISSN 9303-640X Correct 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.