4,4,5,5-Tetramethyl-2-(4-phenylethynyl-phenyl)-[1,3,2]dioxaborolane (CAS 1190376-20-5)

How to request a Certificate of Analysis (COA) when it is not available online?

If you need a Certificate of Analysis (COA) and cannot locate it on the website, there's a straightforward process to acquire one. Here is how.

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4. Remember to follow up, too. If you do not receive a response within a reasonable timeframe, don't hesitate to follow up and be sure to keep a record of your communications.

Follow these steps to get the COA you need even if it is not available online.