BTEX (5.0 µg/mL) Back Catalog number: 98516 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 38029 WS Chlordane Price on request 676451 Penthiopyrad, 100 µg/ml, Cyclohexane, 1ml Price on request 79108 Tris(2,3-dibromopropyl)phosphate Price on request