LC Caffeine Standards Kit, 6 x 10ml Back Catalog number: LCS-4045 Availability: In the manufacturer's stock Price on request - + Recommended 9923.9-K-CY n-Propylcyclohexane, 1000µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-1, Cas.no. 1678-92-8 Price on request 680851 PCB 95, 5mg Price on request MTCC N-(4-chloro[13C6]phenyl)-N'-(3,4-dichloro[13C6]phenyl)[13C]urea , 1.2ml x 50ug/ml, methanol Price on request