Estrone Back Catalog number: 10091.18-K-ME Manufacturer: CHIRON AS Availability: 3 weeks Price on request - + Recommended 71588 1-Ethyl-2-pyrrolidinone, 1000µg/ml in MeOH, 1ml Price on request 93372 Regulated Semi-Volatile Standard Price on request S-13103A1-1ML Prometryne, 100µg/ml in Acetonitrile, 1ml Price on request