Heptachlor-endo-epoxide (trans-, isomer A), 100 ng/µl, 1ml Back Catalog number: XA14102000CY Availability: In the manufacturer's stock Price on request - + Recommended 8238.12-100MG 4,4'-Difluorobiphenyl, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 398-23-2 Price on request 54166 UV 254 Absorbance / DOC Price on request 0653.40-500-IO Lycopane, 500µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 45316-02-7 Price on request