4-Amino-2´,3-dimethylazobenzene, certified, 0.25g Back Catalog number: C10202000 Availability: In the manufacturer's stock Price on request - + Recommended 1109.13-100-TX10 2-Nitrofluorene-d9, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-10, Cas.no. 128008-87-7 Price on request 9352.10-K-ME L-Nicotine,1000 µg/mL,MeOH,1mL Price on request 2292.9-1G 4-Methylphthalic acid, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 4316-23-8 Price on request