Propionic acid Back Catalog number: 79401 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 53145 Method 200.8/1638/1640 Internal Standard Price on request 3366.6-100MG 1,4-Dichlorobenzene, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 106-46-7 Price on request 95685 Phthalate Mix #1 Price on request