Method 200.8/1638/1640 Internal Standard Back Catalog number: 53145 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 30211 1,2-Dichlorobenzene Price on request 83507 Dichlorprop methyl ester Price on request 9362.3-KIT-N Pentyl/Isopentyl phthalate Kit, neat (2099.18+8539.18+8425.18, 100mg each), , Solvent-, Unit Kit, # of units-1, Cas.no. Price on request