Understanding the ISIN code.
An ISIN consists of a two letter country code, a nine-digit alpha-numeric identifier, called the National Securities Identifying Number (NSIN), and a single check digit. The NSIN is issued by the National Numbering Agencies (NNA) of the respective country. The check digit is computed according to the modulus 10 "Double-Add-Double" formula
Let us take the ISIN of Infosys as an example.
|Company Name||Industry||Symbol||Series||ISIN Code|
The break up is as follows:
IN represents the country code i.e INDIA (based upon ISO 3166).
E009A0102: the 9 digit National Securities Identifying Number.
1: The check digit