Thermo-Fisher sells AmberGen’s PC-Biotin-NHS reagent https://www.fishersci.com/shop/products/pc-biotin-nhs-5mg/nc1042383
Glen Research distributes AmberGen’s Photocleavable Phosphoramidite DNA-labeling reagents http://www.glenresearch.com/GlenReports/GR14-14.html
Link Technologies Ltd. offers AmberGen’s Photocleavable Phosphoramidite DNA-labeling reagents in Europe http://www.linktech.co.uk/products/modifiers/photocleavable_modifiers