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 1811.12-50-T Decabromodiphenyl ether, 50µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 1163-19-5 Price on request 8860.8-K-IO 2-Methylthio-3-isopropylpyrazine, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-, Cas.no. Price on request 12056.12-10MG (+/-)-Clenbuterol-d9 (trimethyl-d9),neat,neat,10mg Price on request