Heptachlor Back Catalog number: X9111 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 50334 Anions Mix Price on request 9453.9-100-MT 2,4-Dimethyl acetic acid methyl ester, 100µg/mL, Solvent-MTBE, Unit 1mL, # of units-1, Cas.no. 55954-23-9 Price on request 0232.30-10UG Naphtho[8,1,2-abc]coronene (Naphtho[2'.8',2.4]coronene), neat, Solvent-neat, Unit ca. 10µg , # of units-1, Cas.no. 6596-38-9 Price on request