BTEX Standard Back Catalog number: 92975 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 679659 delta-HCH, 10.0 µg/ml, Cyclohexane, 10ml Price on request 673960 Cyclanilide, 10.0 µg/ml, Acetonitrile, 10ml Price on request P1695 4,4-Pentamethylene-2-pyrrolidone, >98%, 5g Price on request