QC Standard 4

2,6-Naphthalenedicarboxylic acid, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 1141-38-4

Pravastatin sodium, 100µg acid/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 81131-70-6

3-Chlorothiophene in isooctane Units: 10mL screw-capped bottle