(-)-Altenuene, 100 µg/ml, Acetonitrile, 1ml Back Catalog number: 676513 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 8484.15-50MG Metoprolol (free base),neat,neat,50mg, Price on request 95989 Method 8121 - Surrogate Standard Price on request 55161 SDWA Solids (Total Solids, TSS, & TDS) Price on request