Calibration Mix #1, 200µg/ml in MeOH, 1ml Back Catalog number: 20149 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 683700 1-Methylpyrene, 100mg Price on request 90131 Methyl-t-butyl ether Price on request 71947 3-Chlorobenzotrifluoride Price on request