Urs-12(13)-ene, 100µg/ml in Isooctane, 1ml Back Catalog number: 0786.30-100-IO Manufacturer: CHIRON AS Availability: 3 weeks Price on request - + Recommended 30057 EPA Method 552 Surrogate Standard Methyl Ester Price on request 59530 Metals Mix #2 Price on request 59880 Lead (Pb) Price on request