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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. 4743-2977

ISSN Number

You are validating the ISSN 6630-7449

Totally 11 possible ISSN for your checking

But only one with Right is correct

  1. ISSN 6630-7440 Wrong ISSN
  2. ISSN 6630-7441 Wrong ISSN
  3. ISSN 6630-7442 Wrong ISSN
  4. ISSN 6630-7443 Wrong ISSN
  5. ISSN 6630-7444 Wrong ISSN
  6. ISSN 6630-7445 Wrong ISSN
  7. ISSN 6630-7446 Wrong ISSN
  8. ISSN 6630-7447 Wrong ISSN
  9. ISSN 6630-7448 Wrong ISSN
  10. ISSN 6630-7449 Correct ISSN
  11. ISSN 6630-744X 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.