L-Proline Back Catalog number: 72241 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 12047.2-K-ME Ethyl sulfate-d5 sodium salt,1000 µg ethyl sulfate/mL,MeOH,1mL, Price on request L20016700IO PCB No. 167, 10µg/ml in Isooctane, 10ml Price on request MPECB Pentachloro(13C6)benzene, 1.2mL x 100ug/mL, nonane Price on request