Native PCDD/PCDF Solution/Mixture, 1.2ml, nonane Back Catalog number: NK-ST-A4 Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 53140 EPA 1620 Standard 2 Price on request 10090.37-100MG Erythromycin,neat,neat,100mg, Price on request 1224.24-K-IO Bis(2-ethylhexyl) phthalate, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 117-81-7 Price on request