alpha alpha alpha (20R)-Cholestane, 1000µg/mL in Isooctane, 1ml Back Catalog number: 0622.27-K-IO Manufacturer: CHIRON AS Availability: 3 weeks Price on request - + Recommended 70998 2-Methylbutane Price on request 31784 EPA Method 1657 Analytes Price on request 2778.10-100-CY Heptachlor-exo-epoxide (cis-) Price on request