Retention Time Verification Standard Back Catalog number: 51172 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3072.11-10MG 6-Methyl-1-naphthol, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 24894-78-8 Price on request 682399 Sulfaphenazole, 100 µg/ml, Methanol, 5ml Price on request XA17723500ME 1,3,5-Trichlorobenzene, 100 ng/µl, 1ml Price on request