Internal standard 2, 2000g/ml in MeOH, 1ml Back Catalog number: 30068 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended C11920000 Cyromazine, 250mg Price on request 11149.12-50-T ß-Hexabromocyclododecane,50 µg/mL,toluene,1mL, Price on request 680236 trans-3-Hydroxycotinine, 100 µg/ml, Methanol, 1m Price on request