Lab ToolsFREE
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Free tools for everyday molecular biology work: solution concentrations and dilutions, copy numbers for qPCR, and sequence conversion. No sign-up needed.
Find the mass to weigh for a molar concentration, solve C1V1 = C2V2 dilutions, and convert between M, mM, µM, nM, pM and mg/mL.
Open toolConvert between ng, pmol and copy number for DNA or RNA, and plan the serial dilutions of a qPCR standard curve.
Open toolGet the reverse, complement or reverse complement of a DNA or RNA sequence, with FASTA and IUPAC degenerate base support.
Open toolEach tool shows the formula or rule it applies, a worked example and answers to common questions, so you can check the result before it goes into your protocol.
For protocols, primer design tips and application notes, visit the Resource Center.
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