D4-Propyl paraben, 100 µg/ml, Methanol, 1ml Back Catalog number: 678215 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 9411.13-200MG Ritalinic acid (threo), neat, Solvent-neat, Unit 200mg, # of units-1, Cas.no. 54631-24-2 Price on request 673610 Folpet, 100 µg/ml, Ethyl acetate, 5ml Price on request MBDE-205 2,3,3',4,4',5,5',6-Octabromo[13C12]diphenyl ether, 1.2ml x 50ug/ml, toluene Price on request