ISIN & CUSIP Securities Checksum Validator
Validate 12-character ISIN and 9-character CUSIP financial instrument identifiers using Modulo 10.
Sample ISINs:
Valid ISIN Security Identifier
Country Code: US
NSIN / CUSIP: 037833100
Check Digit: 5
FAQ
Frequently Asked Questions
Everything you need to know about this tool
ISIN (International Securities Identification Number) is a 12-character alphanumeric code uniquely identifying a financial security (stocks, bonds, ETFs) globally (ISO 6166).
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