EPA Method 507 - Internal Standard Back Catalog number: 19031 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0460.15-10MG 2-Methylanthracene, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 613-12-7 Price on request 677264 Mandestrobin, 100 µg/ml, Acetonitrile, 1ml Price on request 0977.27-100-IOX10 d2 C27 alpha alpha alpha (20R)-Cholestane, 100µg/mL in Isooctane, 10 x 1ml Price on request