91iD™ Numbering System
Official reference for the 91iD™ proprietary product identification number structure and series.
The 13-digit 91iD™ identifier uses the 91 prefix followed by a seven-digit Company ID, a three-digit Product ID and one check digit.
91 Prefix
The 91 prefix identifies the 91iD™ numbering namespace used by the 91iD™ network.
91Company ID
A seven-digit company identifier is used within the 91iD™ system.
0000001 – 9999999Product ID
A three-digit product identifier distinguishes products registered under a company.
001 – 999Check Digit
The final digit is used as the 91iD™ identifier check digit according to the system validation rules.
0 – 9Reading a 91iD™ Number
An example is shown for explaining the structure only. A number is not presented as an active product record unless it has a corresponding registered 91iD™ record.
How to Check a Number
To determine whether a specific 91iD™ number has an active product record, use the official 91iD™ verification service. A numbering-format reference does not itself represent a registered product.
91iD™ Number Series
The 91iD™ system documents a proprietary/private numbering space beginning with the 91 prefix. The identifier structure provides capacity for up to 9,999,999 Company IDs and up to 999 Product IDs per Company ID, subject to the system rules and availability of identifiers.
An Independent Product Identity Network
91iD™ is independently operated as a product identification and verification network. A 91iD™ identifier is its own proprietary/private reference and does not require a GS1 GTIN to exist as a 91iD™ identifier. Where a product or marketplace is subject to a separate regulatory, retailer, marketplace or standards requirement, those requirements remain applicable.
Launch Period
91iD™ is currently in its launch period, focused on building a large, searchable product identity network for businesses and customers.
Built for Indian Businesses
Our mission is to create a healthier and more accessible environment where small businesses can give products a unique identity without making barcode-related recurring costs the centre of their business expense.
Long-Term Network Goal
Our long-term goal is to build a network capable of supporting crores of product identifiers and making genuine registered product records easy to find and verify online.
No Registration Fee • No Annual Renewal Fee
During the current 91iD™ launch program, eligible product registrations are intended to remain searchable in the 91iD™ network without an annual renewal fee. The current program is designed to provide no registration fee and no recurring annual renewal fee for eligible registrations, subject to the published program terms.