Spectrum Chemical manufactures and distributes fine chemicals with quality you can count on including those with CAS number 9001-60-9, Whether you call it L-Lactate Dehydrogenase, (S)-Lactate: NAD+ Oxidoreductase , L-LDH , LAD or LD you can be assured the L-Lactate Dehydrogenase products offered by Spectrum, meet or exceed the grade requirements or specifications for each individual product.