525 Internal Standard Back Catalog number: 94212 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 675378 Allethrin, 100mg Price on request 71942 1,8-Dimethylnaphthalene, 1000µg/ml in MeOH, 1ml Price on request 11215.22-100-IO Trixylyl phosphate, purified ion m/z 382 (tetramethyl),100 µg/mL,isooctane,1mL, Price on request