Certain features of will be down for maintenance Saturday afternoon/evening, February 24th starting at 3:00 pm CT until 9:00 pm CT.

Please note that you still have telephone and email access to our local offices. We apologize for any inconvenience.


Sigma offers a variety of tools to enable your research in the field of Epigenetics. The Imprint Bisulfite Modification kit provides the fastest method to study the methylation status of CpG dinucleotides. In addition to DNA methylation, we offer products to study Histone Modification including a variety of anti-histone antibodies. We also have an assortment of DNA purification, detection and post translational modification products to meet your research needs.
See also Antibodies to Transcription Regulators.