Cell culture media ingredients for biotherapeutics like cell & gene therapies Markets & Products Pharma & Biopharma Alpha-Ketoglutaric acid Keto acid with a key role in cell metabolism cQrex® AC cQrex® AC (N,N'-di-L-Alanyl-L-Cystine) is a chemically defined cystine peptide designed to overcome the reactivity and solubility challenges associated with L-cysteine and its oxidized form L-cystine cQrex® AY cQrex® AY (L-Alanyl-L-Tyrosine dihydrate) is a tyrosine peptide designed to overcome the solubility challenge of L-tyrosine and boost productivity cQrex® GQ cQrex® GQ (Glycyl-L-Glutamine hydrate) is a chemically defined glutamine peptide designed to overcome the stablity challenge of L-glutamine in bioprocessing cQrex® GY cQrex® GY (Glycyl-L-Tyrosine dihydrate) is a chemically defined tyrosine peptide designed to overcome the solubility challenge of L-tyrosine in bioprocessing cQrex® KC Cystine peptide to overcome the reactivity challenge of L-cysteine in bioprocessing D-Galactose D-Galactose is a highly pure carbohydrate D-Mannose D-Mannose is a highly pure carbohydrate L-Alanyl-L-Glutamine Highly pure glutamine peptide for biopharma and pharma applications PhytoChol® BioPharma PhytoChol® BioPharma is a synthetic cholesterol to enhance biopharma production View all