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Certain features of Sigma-Aldrich.com will be down for maintenance the evening of Friday August 18th starting at 8:00 pm CDT until Saturday August 19th at 12:01 pm CDT.   Please note that you still have telephone and email access to our local offices. We apologize for any inconvenience.

Custom Oligos

Custom AQUA™ Peptide Quotation Request

Provide your AQUA peptide sequence specifications and receive a competitive price quotation within 24 hours. Indicate the placement and type of isotopically labeled amino acid in the Sequence field.