delta-Valerolactam Back Catalog number: 73544 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 96108 PAH Standard, 2000µg/ml in MethyleneChloride, 1ml Price on request 8908.14-100-T 3-Methyl-2,2',4,4'-tetrachlorodiphenylmethane Price on request 0889.13-500-IO 3-Methyldiphenylsulfide, 500µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 13865-48-0 Price on request