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What ISKU and CSKU stand for or refer to? and what is difference between it?

Upon sales channel connection, Anchanto OMS syncs existing product listings with the catalog and inventory modules. 

The SKU code of a product syncs as "CSKU" in Catalogue module and "ISKU" in the Inventory module.


  • "ISKU" is a unique code for a product to identify assigned inventory.
  • User must maintain SKU code, product name, dimensions, cost price, and stock under ISKU.
  • Stock of product is maintained/replenished using ISKU.
  • ISKU must be unique for each product and match CSKU to avoid syncing issues.
  • ISKU is used to process the orders or trace the order movements.


  • CSKU (Channel Stock Keeping Unit) is used to list a product on various marketplaces (sales channels).
  • Each catalogue (listing) is assigned a CSKU (Channel Stock Keeping Unit/Platform SKU) for updating, traceability, and order processing.
  • During sync, they are identified by CSKU and online channel seller's ID (email in this case).

  • CSKUs can be added as SKU codes for individual product listings.

  • CSKU can be added as a listing with variants/group products (Parent SKU code).

  • CSKU can be added as the kit/bundle/combo product (KIT SKU code).

Note : 

  • Every CSKU should have a single ISKU and for the single listing the ISKU = CSKU.

  • For every bundled product and Group product CSKU = ISKU 1 + ISKU 2 + ISKU 3

  • if the CSKU is duplicated to an single ISKU, user may face syncing issues, stock syncing issues or overselling issues

  • If the ISKU is not present for a product, the user should edit the product by adding the ISKU and then list the product.

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