3,3'-Dichloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane Back Catalog number: MBP-11 Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 2843.7-50-ME 1H,1H-Perfluoroheptan-1-ol , 50µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 375-82-6 Price on request 3623.20-K-ME 17alpha-Ethynylestradiol,1000 µg/mL,MeOH,1mL, Price on request 93491 EPA Method 504 - EDB & DBCP Price on request