Potassium (K) Back Catalog number: 50378 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended D230100 3-Dehydro Retinol, 95%, 1mg Price on request 79051 2,4’-DDD, 1000µg/ml in Hexane, 1ml Price on request 72393 4-Ethylmorpholine Price on request