4-Hydroxybenzoic Acid-d4, 10mg Back Catalog number: H808452 Manufacturer: TORONTO RESEARCH CHEMICALS Availability: 2 weeks Price on request - + Recommended 11308.5-100-ME 2-Methylfuran, 100µg/ml in MeOH, 1ml Price on request 676966 Atrazine-desethyl-2-hydroxy, 100 µg/ml, 2-Methoxy Price on request 19062 EPA Method 525 - PAH Standard Price on request