The labels on SYSY Antibodies vials display a lot number composed of the article number followed by one or two digits—for example, “Lot 104211/15” or “Lot 15.” These lot numbers distinguish between different lyophilization batches.
Since 2017, a numerical prefix (e.g., 1-, 2-, 3-) has been added to the lot number. This prefix changes only when a new lot is produced from a different serum batch, meaning a batch originating from a separate immunization. New lots of polyclonal antibodies derived from the same serum batch retain the same prefix.
Monoclonal antibodies always carry the prefix 1-, as all lots originate from the same hybridoma clone. Example formats include “Lot 104211/1-15” or “Lot 1-15.”
The labels on SYSY Antibodies vials display a lot number composed of the article number followed by one or two digits—for example, “Lot 104211/15” or “Lot 15.” These lot numbers distinguish between different lyophilization batches.
Since 2017, a numerical prefix (e.g., 1-, 2-, 3-) has been added to the lot number. This prefix changes only when a new lot is produced from a different serum batch, meaning a batch originating from a separate immunization. New lots of polyclonal antibodies derived from the same serum batch retain the same prefix.
Monoclonal antibodies always carry the prefix 1-, as all lots originate from the same hybridoma clone. Example formats include “Lot 104211/1-15” or “Lot 1-15.”
When the lyophilized stock of a product begins to run low, a new batch (typically 10–50 units, depending on demand) is prepared. One unit from each new batch is reserved for quality control testing, and the batch is released for sale only after it has successfully passed all QC assessments.
A new lot becomes available for purchase once the previous lot has been fully sold. This production workflow ensures that all products remain continuously in stock and ready for shipment.
Because of this process, it is not possible to choose between different lots. Reordering the same lot is only feasible as long as that specific lot has not yet been sold out.
Certificates
ISO 9001 2015 Quality Management System and Green Lab Platinum certification level for sustaining laboratory processes.
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