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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. 3728-7990

ISSN Number

You are validating the ISSN 4204-9970

Totally 11 possible ISSN for your checking

But only one with Right is correct

  1. ISSN 4204-9970 Correct ISSN
  2. ISSN 4204-9971 Wrong ISSN
  3. ISSN 4204-9972 Wrong ISSN
  4. ISSN 4204-9973 Wrong ISSN
  5. ISSN 4204-9974 Wrong ISSN
  6. ISSN 4204-9975 Wrong ISSN
  7. ISSN 4204-9976 Wrong ISSN
  8. ISSN 4204-9977 Wrong ISSN
  9. ISSN 4204-9978 Wrong ISSN
  10. ISSN 4204-9979 Wrong ISSN
  11. ISSN 4204-997X 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.