Description General description Pyruvic-1-13C is isotopic labeled precursor of pyruvic acid. Application Hyperpolarized 13C-labeled pyruvate and its metabolite lactate has been used to image real time metabolic flux in solid tumors and assess tumor response to chemotherapy, radiation, and agents targeting mTOR. Packaging 4, 5, 6 g in glass bottle Typically, this product is available to ship immediately from stock. Contact Stable Isotopes Customer Service to discuss quantity and packaging needs.