2,3-Dimethylheptane Back Catalog number: 71954 Manufacturer: ABSOLUTE STANDARDS 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 30078 EPA Method 548.1 Internal Standard Price on request BDE-189 2,3,3',4,4',5,5'-Heptabromodiphenyl ether, 1.2ml x 50ug/ml, nonane Price on request