EPA Method 509 Internal Standard Back Catalog number: 30097 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended N692020 Noribogaine Hydrochloride, 1mg Price on request 677129 Heptachlor endo-epoxide, 10.0 µg/ml, Cyclohexane, Price on request 2069.6-K-IP 2,6-Dichlorophenol, 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-1, Cas.no. 87-65-0 Price on request