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RE: UTAK Feedback Request - RUO Blank Matrix Labeling
Nov 13, 2025 06:29 PM
Good morning, While in principle if the composition and quality are unchanged, I don’t think it would make much difference which label is used. However, I believe that labeling the drug free urine we purchase as “Research Use Only” will cause problems with our certification inspections. We use the drug free urine to prepare quantitative controls for our drug assays, and our inspectors may flag it if we use “research chemicals”. We would prefer the General Biological Raw Material classification. Please let me know if there is any other feedback I can provide. Best Regards, Paul
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  • Created Nov 13, 2025 06:30 PM
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