Cell culture media ingredients for biotherapeutics like cell & gene therapies Markets & Products Pharma & Health Care Alpha-Ketoglutaric acid Alpha-Ketoglutaric acid is involved in the Krebs cycle and plays a key role in the cell metabolism. cQrex® AY cQrex® AY (L-Alanyl-L-Tyrosine dihydrate) is a tyrosine peptide designed to overcome the solubility challenge associated with free L-tyrosine in cell culture media. View all Related Markets Pharma & Health Care Our Products and Solutions for Pharma and Healthcare View all View less