13C3-Caffeine, 100 µg/ml, Methanol, 1ml Back Catalog number: 681491 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 44P-DDT 1,1,1-Trichloro-2,2-bis(4-chlorophenyl)ethane, 1.2mL x 100ug/mL, nonane Price on request 9071.6-K-IP 3,4,6-Trichlorocatechol , 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-1, Cas.no. 32139-72-3 Price on request 2697.20-100MG Cyclobenzaprine hydrochloride, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 6202-23-9 Price on request