L-Proline Back Catalog number: 72241 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 59034 Inorganic Mix #2 Conc. #1 Price on request PN-20S 1,3,6-Trichloronaphthalene, 1.2mL x 50ug/mL, nonane Price on request 1117.20-200-T Dinaphtho[1,2-b;2',1'-d]furan, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 239-69-0 Price on request