delta-Valerolactam Back Catalog number: 73544 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended MBP-118 2,3',4,4',5-Pentachloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane Price on request 8654.14-100-NN 4,4'-DDT-13C12 Price on request R139500 Rebaudioside A, 10g Price on request