Methadone/Methaqualone/Propoxyphene Back Catalog number: 96626 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1012.6-1G Di-n-propyldisulfide, neat, Solvent-Neat, Unit 1g, # of units-1, Cas.no. 629-19-6 Price on request 679178 5-Chloro-1-methyl-4-nitroimidazole, 100mg Price on request D454655-1MG 3,4-Dihydroxyphenylglycolaldehyde (Dopegal), 1mg Price on request