Nitrosamine Standard Back Catalog number: 90982 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 10963.17-K-ME Diphenhydramine hydrochloride ,1000 µg base/mL,MeOH,1mL, Price on request 8421.4-100-ME Desphenyl chloridazon, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. Price on request 675991 Diclofop-methyl, 100 µg/ml, Cyclohexane, 5ml Price on request