Identifiers in Various Disciplines
A small sample of various identifiers
| Identifier | Scope |
|---|---|
| atomic number, corresponding one-to-one with element name | international (via ISV) |
| Australian Business Number | Australian |
| CAGE code | U.S. and NATO |
| CAS registry number | originated in U.S.; today international (via ISV) |
| CODEN | originated in U.S.; today international |
| Digital object identifier (DOI, doi) | Handle System Namespace, international scope |
| DIN standard number | originated in Germany; today international |
| E number | originated in E.U.; may be seen internationally |
| EC number | |
| Employer Identification Number (EIN) | U.S. |
| Global Trade Item Number | international |
| Group identifier | many scopes, e.g., specific computer systems |
| International Chemical Identifier | international |
| International Standard Book Number (ISBN) | ISBN-13 is part of the EAN Namespace; international scope |
| International Standard Serial Number (ISSN) | international |
| ISO standard number, e.g., ISO 8601 | international |
| Library of Congress Control Number | U.S., with some international bibliographic usefulness |
| personal identification number | many scopes, e.g., banks, governments |
| Personal identification number (Denmark) | Denmark |
| Product batch number | |
| Serial Item and Contribution Identifier | U.S., with some international bibliographic usefulness |
| Serial number | many scopes, e.g., company-specific, government-specific |
| Service batch number | |
| Social Security Number | U.S. |
| Tax File Number | Australian |
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