What is an ISIN? An ISIN is a 12-character code that identifies a security. An ISIN consists of three parts: a country code, a national security identifier and a check digit.

check/validate any WKN, ISIN, SEDOL or CUSIP stock/security identifier code

What is an ISIN? An ISIN is a 12-character code that identifies a security. An ISIN consists of three parts: a country code, a national security identifier and a check digit.