pH 9.0 Standard @ 25°C Back Catalog number: 59337 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2633.27-5UG 17ß(H),21ß(H)-25,28,30-Trisnorhopane (in mixture with 2632.27 (ß alpha-)), neat, Solvent-neat, Unit ca. 5µg, # of units-1, Cas.no. 92692-42-7 Price on request S-4036-5K-10IO 3-Chlorothiophene in isooctane Units: 10mL screw-capped bottle Price on request 677486 2,3,4,6-Tetrachlorophenol, 50mg Price on request