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When I place an order for a larger number of oligos, sometimes some of them are delayed – why is this?

DNA synthesis is a complicated process, which has improved significantly over the last years. Despite these improvements, all manufacturers have an inherent failure rate. We are constantly developing our processes and systems to minimize these losses; however, it is inevitable that we will occasionally have to re-synthesize some oligos. Please note that metabion performs strict quality controls on each and every oligo synthesized. If an oligo does not pass our quality tests, it will be resynthesized.