pH 4.0 Standard @ 25°C Back Catalog number: 59468 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3223.19-K-IO 7-trans-Nonadecenoic acid, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 191544-99-7 Price on request 98491 n-Hydrocarbons C9-C12 Price on request 682703 D-Lactose monohydrate, 1000mg Price on request