CLP Volatile BTEX Standard Back Catalog number: 21001 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 681703 Imipenem monohydrate, 50mg Price on request 673560 alpha-Endosulfan, 100 µg/ml, Ethyl acetate, 5ml Price on request L14090000CY Heptachlor, 10µg/mL in Cyclohexane, 10ml Price on request