pH 4.0 Standard @ 25°C Back Catalog number: 59436 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0714.12-K-IO 1-Ethylnaphthalene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 1127-76-0 Price on request 11669.12-100-IO 3,4'-Dichlorobiphenyl ,100 µg/mL,isooctane,1mL Price on request C225403-1MG Catharanthine-d3 Tartrate Salt, 1mg Price on request