Internal standard 3, 2000g/ml in MeOH, 1ml Back Catalog number: 30069 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended 70819 Propham Price on request 3560.15-K-IO 2-Methyl-9,10-anthraquinone, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 84-54-8 Price on request 673771 Cyanazine, 100 µg/ml, Ethyl acetate, 5ml Price on request