Internal standard 2, 2000g/ml in MeOH, 1ml Back Catalog number: 30068 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended 96930 Semi-Volatile Additionals Price on request 681830 4-Epioxytetracycline, 10mg Price on request 59444 Dichloroacetic acid Surrogate Method 300.1 Price on request