Estrone Back Catalog number: 10091.18-K-ME Manufacturer: CHIRON AS Availability: 3 weeks Price on request - + Recommended 3128.3-K-IO Trianoic acid (Propionic), 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 79-09-4 Price on request 3012.10-K-IO 2,4,6-Trimethylheptane, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 2613-61-8 Price on request 3493.10-100 Propham, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 122-42-9 Price on request