*ASTM Standard D6584 Level 2 (without IS), Varied Conc. in Pyridine, 1 mL 9060-Cell Biology 25 mg/mL in Methanol is

25 mg/mL in Methanol is composed of 3 analytes

Glucose M9Y powder is supplied with a separate Glucose Nutrient Mix

but can now be purchased separately in individual packets

0 µg/mL in Toluene is composed of 19 analytes

This Certified Reference Material at a concentration of 100 µg/mL in Acetonitrile is composed of 32 analytes

*ASTM Standard D6584 Level 2 (without IS), Varied Conc. in Pyridine, 1 mL 9060-Cell Biology 25 mg/mL in Methanol isThis Certified Reference Material of varied concentration in Pyridine is composed of 4 analytes. It is supplied in a unit of 1 mL and should be stored in the freezer at less than 10 C.